______ that Martin had passed the important exam, his friends called to congratulate him.
A、Having been heard
B、To have heard
C、Being heard
D、Having heard
【正确答案】：D
【题目解析】：这句话的意思是，听说Martin通过了重要的考试，他的朋友们都打电话去祝贺他。现在完成时可以表示动作的先后顺序，根据题意，hear与主语之间是主动关系，所以不用被动语态，故选D。
