Correct option is B
The correct option is
(b) at, with.
1. The preposition
"at" is used to indicate the target of laughter, mockery, or ridicule.
2. The preposition
"with" is used to refer to a problem or condition affecting someone or something.
Corrected Sentence: People laughed at the farmer and asked what was wrong with his donkey.
Meanings of all the given options:
·
On: Incorrect in this context, as "on" is used for positions or surfaces. ·
At: Correct, used to indicate the target of laughter.
At (पर हँसना)। ·
With: Correct, used to indicate a problem or issue.
With (के साथ समस्या)। ·
For: Indicates the reason for an action, not correct in this case.
For (के लिए)।