单选题 Doctor: What seems to be the matter?
Patient: Well, my heartbeat is fast and I have trouble breathing recently.
Doctor: ______ Your weight is giving much burden on your heart.

A、 I have to give you some medicine.
B、 I'm sorry. Your weight is a problem.
C、 You need some exercises.
D、 I'm afraid you have to lose at least 40 pounds.

【正确答案】 D

【答案解析】[解析] 从后面的话中我们可以看出在讲体重的问题。B显得没有任何的关切之情，医生通常不用这种口吻对病人说话。