High school Chinese revises a multiple-choice question of ill sentences, and seeks to analyze where the mistakes are. Thank you.

The idiom "make people laugh and be generous" in a sick sentence is wrong, so we can't say "make people laugh and be generous". Make people laugh means: make people laugh, plus "make people" cause redundancy;

B ill sentence, the first half of the sentence is reversed, resulting in inconsistent subjects. "But Li Zhaoxing's love" was changed to "Li Zhaoxing was humorous and sharp when he was a foreign minister, and was deeply loved by his classmates";

In the C sick sentence, the verb "reach" lacks an object, so "demand" should be added after "moment".