---- One more question, Sir?
----Wait a minute. I your questions for more than 30 minutes without a break.
Where is my cup?
A. have been answering
B. have answered
C. had answered
D. answered
网友回答
(答案→)A. have been answering
B. have answered
C. had answered
D. answered
解析：考查时态。句意：还有一个问题，老师？——等一下。我毫不休息的一直回答你的问题超过三十分钟了。可知下文描述的是到现在已经完成的正在进行的动作，故用完成进行时态。选A