To study biology has much of my spare time but it has given me a lot of fun.A. taken offB

问题补充：

To study biology has much of my spare time, but it has given me a lot of fun.

A. taken off

B. take down

C. take up

D. taken away

答案：

A. taken off

B. take down

(答案→)C. take up

D. taken away

解析：这里的take up意思是：占用。