Question

【题目】Mum delicious food for me when I came back from school.

A. has prepared B. would prepare

C. is preparing D. had prepared

Answer 1

【答案】D

【解析】

试题分析：句意：妈妈已经为我准备了美味的食物，当我从学校返回家的时候。这里when引导的时间状语从句，从句用一般过去时态，主句需用过去的某种时态，所以排除A和C。结合语境，妈妈应该已经是把饭准备好了，故选D。