No sooner down we found it was time to go.A. did we sit; thanB. had we sat; thanC. did w

问题补充：

No sooner down we found it was time to go.

A. did we sit; than

B. had we sat; than

C. did we sit; when

D. had we sitten; when

答案：

A. did we sit; than

(答案→)B. had we sat; than

C. did we sit; when

D. had we sitten; when

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