— If I hadn’t been caught in the heavy rain I could have been back by 7 o’clock. — What

问题补充：

— If I hadn’t been caught in the heavy rain, I could have been back by 7 o’clock.

— What a pity! Stella here to see you.

A. is

B. has been

C. would be

D. was

答案：

A. is

B. has been

C. would be

(答案→)D. was

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