Can you tell me last night? A. what was the matter outsideB. what was matter outside C. w

问题补充：

Can you tell me last night?

A. what was the matter outside

B. what was matter outside

C. what the matter was outside

D. what is wrong outside

答案：

(答案→)A. what was the matter outside

B. what was matter outside

C. what the matter was outside

D. what is wrong outside

解析：“你能告诉我昨晚外面发生什么事了吗？”what is the matter出了什么事，what是主语，所以答案A。