Thesecretary

问题详情：

 The secretary _______. She _________ what I said.

    A. didn’t listen; mustn’t have heard    B. wasn’t listening; can’t hear

    C. wasn’t listening; can’t have heard   D. hadn’t listened; couldn’t have heard

【回答】

C

知识点：虚拟语气与情态动词

题型：选择题