Little when 1 took the trip where it would lead me.A. have I knownB. had I knownC. do 1

问题补充：

Little when 1 took the trip where it would lead me.

A. have I known

B. had I known

C. do 1 know

D. did I know

答案：

A. have I known

B. had I known

C. do 1 know

(答案→)D. did I know

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