Please, don’t laugh . . . . . . those beggars.

A. for

B. against

C. at

D. from

Answer: Option C

Solution(By Examveda Team)

In this sentence, the correct preposition to use after the verb "laugh" is "at." When we laugh at someone or something, it implies that we find them amusing or ridiculous. Therefore, the correct sentence is:
Please, don’t laugh at those beggars.