Mother asked the young kid with his toy car.A. what the matter wasB. what was the matter C

问题补充：

Mother asked the young kid with his toy car.

A. what the matter was

B. what was the matter

C. what the matter is

D. what is the matter

答案：

A. what the matter was

(答案→)B. what was the matter

C. what the matter is

D. what is the matter

解析：考察句子结构，该句为宾语从句，从句中要采用陈述语序，即what was the matter或者what is the matter? 因为主句的谓语动词是过去式，所以从句中的谓语动词也要用过去式。