to reach them on the phone, we sent an email instead.A. FailB. FailedC. To failD. Having

发布时间：2020-08-17 01:23:23

     to reach them on the phone, we sent an email instead.
A. Fail
B. Failed
C. To fail
D. Having failed

网友回答

A. Fail
B. Failed
C. To fail
(答案→)D. Having failed
解析：考查分词做状语。本题的fail与句子主语we构成主动关系，故使用现在分词的形式，另该动作发生在主句谓语动作之前，故使用现在分词的完成式。句意：因为未能接通他们的电话，我给他们发了一封电子邮件。故D正确。
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