______that Martin had passed the important exam, his friends called to congratulate him.

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问题 ______that Martin had passed the important exam, his friends called to congratulate him.

选项 A、Having been heard
B、To have heard
C、Being heard
D、Having heard

答案D

解析 本题考查时态。“pass”是在“hear”之前早就发生的,用的是过去完成时,因此hear一词只能是一般过去时,即Martin’s friends heard that Martin had passed the important exam,但是由于是主语发出的两个动作,所以省略主语,直接用分词表示。考虑到先后顺序,“heard”要进一步变成“having heard”。故选D。
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