—I’m sorry to keep you waiting. —Oh, not at all. I ______ here only a few minutes.

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问题 —I’m sorry to keep you waiting.       —Oh, not at all. I ______  here only a few minutes.

选项 A、have been
B、had been
C、was
D、will be

答案A

解析 等待的动作由过去开始,持续到现在,应用现在完成时。
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