Both the girl and her dog were crossing the street were hit by a coming car.A. whichB. wh

问题补充：

Both the girl and her dog were crossing the street were hit by a coming car.

A. which

B. what

C. that

D. they

答案：

A. which

B. what

(答案→)C. that

D. they

解析：考查定语从句的关系词that用法。当先行词既有人又有物的时候，如果句子缺少关系代词，就使用that。本题的先行词Both the girl and her dog既有人又有物，后面的句子缺少主语，故C正确。