In the following questions , out of the four alternatives , select the alternative which best expresses the meaning of the idiom/Phrase.
At one's wits end

Options

A. to work hard
B. to be intelligen
C. to get puzzled
D. to be stupid

Answer

C

Explanation

at one.s wit.s end : to be so worried by a problem that you do not know what to do next, to be puzzled
I.ve tried every possible source but without success, and now I.m at my wits end. The best option is to get puzzled