单项选择题

[听力原文]
W: What seems to be the problem
M: Well, 91 was crossing the road, where a car came round the comer too quickly, and when the driver saw me, it was too late to stop. I was knocked to the ground, and when I got up, my left arm and elbow were grazed and now, I have a pain in my ribs.
W: I’ll just take a look .Where does it hurt
M: It’s hard to say. It hurts all over.
W: Does it hurt when I do this
M: Ouch! The pain is very bad when you press here.
W: Well, your arm and elbow seem to be all right. Let me see your X-rays.
M: Is it serious
W: No. It’s not very serious, 10but you should take two or three weeks off work, and rest in bed as much as possible.
M: Should I take some medicine, doctor
W: All right. I’ll give you some herbal medicine to help you heal quickly. In addition, I will prescribe you some medicine for oral administration. Here is a prescription. Take it to the chemist’s, 11Please take the medicine according to the instruction.
M: Will I need to be put in piaster
W: No, it isn’t necessary. I have prescribed you a tube of ointment. Administer it two or three times a day.
M: Thank you very much, doctor.
W: Not at all. Goodbye!

What should the man do if he wants to recover quickly()

A. He’d better do some exercises.
B. He’d better stay at home for half a year.
C. He’d better have an operation on his ribs.
D. He’d better eat the herbal medicine according to the instruction.