I didn’t understand so I raised my hand to ask.A. what my teacher saysB. what does my te

问题补充：

I didn’t understand , so I raised my hand to ask.

A. what my teacher says

B. what does my teacher say

C. what my teacher said

D. what did my teacher say

答案：

A. what my teacher says

B. what does my teacher say

(答案→)C. what my teacher said

D. what did my teacher say

解析：考查宾语从句。从句应用陈述语序，根据时态，所以选C。