Put on your coat! I you down to the doctor.A. have been takingB. am takingC. tookD. have

问题补充：

Put on your coat! I you down to the doctor.

A. have been taking

B. am taking

C. took

D. have taken

答案：

A. have been taking

(答案→)B. am taking

C. took

D. have taken

解析：考察时态。句意：穿上你的衣服。我要带你去看医生。本题使用现在进行时代替将来时，表示事先计划好，安排好的要发生的事情。根据前句：穿上你的衣服，可以已经有了事先的计划和安排。故B正确。D项中的现在完成时有时候也表示将来时，只不过通常用于时间状语从句中。