* Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

Our grandmother might have phoned while we were out.

A. Our grandmother ought to have phoned while we were out. 

B. Possibly our grandmother phoned while we were out. 

C. Unfortunately we were out when our grandmother phoned. 

D. We were sure our grandmother had phoned while we were out.