-the train had left when I got there .- ____?So you missed the train?

问题描述:

-the train had left when I got there .- ____?So you missed the train?
-the train had left when I got there .
- ____?So you missed the train?
A Did it B,Had it
C Did you D .Had you
请问选择哪一个?为什么?

选B,我是英语专业大三的,没错!