—What were you doing at 8 o’clock this morning?—. A. I am having breakfast.B. I want to go

问题补充：

—What were you doing at 8 o’clock this morning?

—.

A. I am having breakfast.

B. I want to go to visit my grandfather.

C. I was talking with my teacher at that time.

D. I stayed there for two days.

答案：

A. I am having breakfast.

B. I want to go to visit my grandfather.

(答案→)C. I was talking with my teacher at that time.

D. I stayed there for two days.

解析：本题考查的是过去进行时，回答用过去进行时。故选C