In the following questions, four alternatives are given for the Idiom/phrase underlined in the sentence. Choose the alternative which best expresses the meaning of the Idiom/ Phrase and mark it in the Answer Sheet.

I tried to feel his pulse on the issue, but in vain.

A. find his views

B. enlighten him

C. argue with him

D. guide him

Please do not use chat terms. Example: avoid using "grt" instead of "great".