根据对话内容，从方框中选择恰当的选项补全对话，其中有两项多余。

A: Hi, Anna. I didn't see you at school yesterday.

B: Oh, I had a headache and I had to ask for a sick leave (请病假).

A: Sorry to hear that.

B: Yes，I did. My mother took me to the hospital. The doctor said I had the flu.

A: Was it serious?

B: The doctor told me to take the medicine three times a day and drink lots of water.

A:

B: Yes, much better.

A:

B: I will. Thanks a lot.

A. Yes, a little. B. Did you go to see a doctor? C. What should I do? D. What was the matter? E. How long did you do that? F. Are you feeling better now? G. You should get more exercise and keep healthy.