I am sorry to have you so long.A. waitedB. to waitC. waitingD. to be waiting

发布时间：2020-08-16 19:45:12

I am sorry to have you      so long.
A. waited
B. to wait
C. waiting
D. to be waiting

网友回答

A. waited
B. to wait
(答案→)C. waiting
D. to be waiting
解析：考查非谓语动词。have sb. doing sth让某人一直做某事，句意：对不起让你一直等这么久。故选C。
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