---I am sorry to have kept you .---It doesnt matter. Ive just come.A. waitB. waited C. w

问题补充：

---I am sorry to have kept you .

---It doesn matter. Ive just come.

A. wait

B. waited

C. waiting

D. to wait

答案：

A. wait

B. waited

(答案→)C. waiting

D. to wait

解析：句意：非常抱歉让你久等了。没关系，我刚刚来。keep 后接双宾语keep sb doing让某人一直做某事，故选C.