Question

_____ that Bob had got promoted, his friends came to congratulate him.

A) Heard B) Having heard C) Hear D) To hear

Answer 1

选B) Having heard
译文：听到鲍勃得到晋升的消息后，朋友们都来向他道贺。
解析：A)用了过去分词，和主句主语构成被动关系，不符合句意；C)用了动词原形，而本句需要
非谓语动词，故排除；D)用了动词不定式，而不定式作状语一般表示目的，不符合句意。

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