The teacher asked Mary _______ she could tell him the general idea of the poem

A.that if

B.whether

C.that

D.how

答案及解析： B

解析：

考查宾语从句的引导词。句意：老师问玛丽是否她能告诉他这首诗的大意。根据语境应用关系词whether，所以选B。