阅读下面的短文,并根据短文内容选择正确答案。
Sarah: May I come in, doctor?
Doctor: Come in and sit down, please.
Sarah: Thank you.
Doctor: What's the matter?
Sarah: I have a fever and a bad cough.
Doctor: Open your mouth and let me have a look.
Sarah: Ah…
Doctor: OK, I see. You have a cold. Here are some pills for you. Please drink more hot water and stay in bed for a few days. You will get better soon.
Sarah: Thank you, doctor.