It was in a poor family the great scientist was born.A. whenB. thatC. whichD. how

问题补充：

It was in a poor family the great scientist was born.

A. when

B. that

C. which

D. how

答案：

A. when

(答案→)B. that

C. which

D. how

解析：可联系答.案.网客服索取。