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?
--1--How long have you been like this?
--Since Saturday night.
--2--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.
--3 Now I'll give you some medicine. Take it and you should be feeling better soon.
--4 
--I also suggest that you follow a special diet.
--5 
--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.