According to a recent statistical report, on the evening of February 2, 20 1 1 (that is, New Year's Eve), the total number of short messages sent by users of China Mobile Shanghai Company exceeded 920

According to a recent statistical report, on the evening of February 2, 20 1 1 (that is, New Year's Eve), the total number of short messages sent by users of China Mobile Shanghai Company exceeded 920 million. D

Analysis of test questions: the main problem is of little use, but the key is the last sentence: low cost makes SMS service have a wide range of consumers, which we can understand as the result of its low price, so a wide range of consumers means a large demand, that is, price affects demand, and option D meets the meaning of the question

Comments: The ontological difficulty is moderate. First of all, candidates should read and understand the information of the question effectively, and it is not difficult to choose the answer after seeing the test intention of this question.