不同肤色的人共住“地球村”，世界三大人种不包括               

A．白色人种

B．黄色人种

C．棕色人种

D．黑色人种

Woman: Can you tell me when I can leave here, doctor I have some important business to attend to.
Man: That depends on how your condition reacts to our treatment. You may leave as soon as the bleeding stops. I think that will take a couple of days.
Question: What does the doctor mean().

A. The patient must receive treatment regularly.

B. The patient can’t leave the hospital until the bleeding stops.

C. The patient’s husband can attend to the business in her place.

D. The patient must take a good rest and forget about her business.