In the following questions, in the given sentences, a part of the sentence is underlined. Beneath each sentence, four different ways of phrasing the underlined part are indicated. Choose the best alternative.

When I was fourteen, I sat the entrance examination for senior secondary school.

A. sat for

B. sat in

C. sat at

D. No improvement

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