根据对话内容，从对话后的选项中选出能填入空白处的最佳选项，选项中有两项多余选项。

—What seems to be the problem?

—

—How long have you been like this?

—Since Saturday night.

— 

—Yes, I also feel lighthearted.

—Can you think of anything you ate Saturday that might have caused it?

—All I can think of is the fish I had. It didn't taste quite right.

—  Now I'll give you some medicine. Take it and you should be feeling better soon.

—

—I also suggest that you follow a special diet.

— 
—You should stick to eating lighter foods.

A:What's that?

B:That might be it.

C:Thank you, doctor.

D:Any other problems?

E:I have a running nose.

F:Have you seen a doctor?

G:I have a terrible stomachache.