问题
选择题
— I'm sorry to keep you waiting.
— Oh, not at all. I _____ here for only a few minutes. [ ]
A. had been
B. was
C. has been
D. have been
答案
答案：D
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— I'm sorry to keep you waiting.
— Oh, not at all. I _____ here for only a few minutes. [ ]
A. had been
B. was
C. has been
D. have been
答案：D