For three logical questions, please talk about the professional ability test of thinking administration.

A: Recently, I confirmed a seat on an airline flight, but it was rejected because the airline overbooked that flight. Therefore, I was forced to take the next flight leaving in two hours, and I missed a very important business meeting. Even if the flight I booked was cancelled at the last minute because of the weather, the airline should compensate me for not letting me take that flight.

B: morally speaking, the airline has no responsibility to compensate you. Even if you are not denied an earlier flight, you will still miss your business meeting.

Which of the following principles, if correct, can prove B's reaction to A, that is, morally speaking, it is reasonable for airlines to compensate passengers who have confirmed their reserved seats on a certain flight but are refused to take the flight? ( )

A. If the only reason for forcing the flight to be postponed is that the airline has overbooked that flight.

B only when passengers are forced to take a later flight will the flight be cancelled, because it is not because of bad weather.

C. Only when the airline has not overbooked the original flight, passengers will not be forced to take the later flight.

Even if the airline didn't overbook the scheduled flight, passengers were forced to take a later flight.

A court heard a theft case, and three people from a village were taken to court as suspects. The trial has begun. The judge first asked A, "How did you commit the crime?" As A speaks a dialect, the judge can't understand it. So the judge asked B and C, "How did A answer my question just now?" B said, "A means he is not a thief." C said, "A just confessed, and he admitted that he was a thief." After hearing what B and C said, the judge immediately made a judgment: release B and arrest C. Facts proved that the judge's judgment was correct.

What is the assumption that judges are least likely to make accurate judgments? ( )

A. In the first instance, without coercion, it is not the thief who tells the truth, but the thief who tells lies.

B. at the first trial, it is impossible for a to confess without coercion.

C. At the first trial, without coercion, whether a thief or not, he always replied: I am not a thief.

D. According to the villagers in a village, C had stolen people's property many times before.

E. In his answer, C told a lie.

There are three investment companies: Guofeng, Jiangxia and Jinli, one headquartered in Beijing, one headquartered in Shanghai and one headquartered in Shenzhen. Among the three companies, one is mainly engaged in funds, one is mainly engaged in foreign exchange, and the other is mainly engaged in secondary market speculation of securities. Among them, Guofeng Company does not operate funds, and Jiangxia Company does not speculate in the secondary securities market; The headquarters of the main fund is not in Shanghai, and the headquarters of the company mainly speculating in the secondary securities market is in Beijing; Jiangxia company is not headquartered in Shenzhen.

Please judge the main business direction of Guofeng Company as accurately as possible according to the above facts ().

A. main funds. B. Mainly engaged in foreign exchange.

C. speculation mainly occurs in the secondary securities market. Foreign exchange or speculation in the secondary securities market.