My mother asked me where and I told her that I was going to buy some food.A. I am goingB

问题补充：

My mother asked me where , and I told her that I was going to buy some food.

A. I am going

B. am I going

C. I was going

D. was I going

答案：

A. I am going

B. am I going

(答案→)C. I was going

D. was I going

解析：句意：我妈妈问我要去哪里，我告诉她我要去买些食物。My mother asked me后面接的是宾语从句，语序应该是陈述句语序，排除BD，而且因为主句是一般过去式，从句也应该是一般过去式，所以选C。