34．Hardlythe phoneI was told that the hotel had been booked full．A. I had picked up；whenB.

问题补充：

34．Hardlythe phoneI was told that the hotel had been booked full．

A. I had picked up；when

B. had I picked up；then

C. had I picked up；when

D. I had picked up；then

答案：

A. I had picked up；when

B. had I picked up；then

(答案→)C. had I picked up；when

D. I had picked up；then

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