— Have you had your breakfast yet?—Yes. Mom it for me.A. was cookingB. is cookingC. will

问题补充：

— Have you had your breakfast yet?

—Yes. Mom it for me.

A. was cooking

B. is cooking

C. will cook

D. cooked

答案：

A. was cooking

B. is cooking

C. will cook

(答案→)D. cooked

解析：句意：你吃过早饭了吗？——是的，妈妈为我做的。结合语境可知下文描述的是过去某时发生的动作，故用一般过去时态。选D。