根据对话内容从方框中选择能填入空白处的最佳选项补全对话，其中有两项多余

A: Good morning, Jane!  What's the matter?

B: I stayed up late last night.

A:

B: To write the report called "China's population".

A: Did you finish it?

B: No, I didn't. I didn't know what the population of China was in 1955.

A:

B: That's a good idea! But my computer doesn't work.

A: That's too bad. Why didn't you call me?

B:

A: When did you call me?

B: At 8:30.

A: Sorry! I was playing cards with my family. It was too noisy. I didn't hear it.

A. You look pale. B. Why did you stay up late? C. How did you get to China? D. What were you doing at that time? E. The population of China was 1.4 billion. F. Why don't you look it up on the Internet? G. I called last night but you didn't answer.