Which do you enjoy your weekend swimming or fishing?A. spendingB. being spentC. spendD.

问题补充：

Which do you enjoy your weekend, swimming or fishing?

A. spending

B. being spent

C. spend

D. to spend

答案：

A. spending

B. being spent

C. spend

(答案→)D. to spend

解析：enjoy 的宾语是句首的疑问词 which，不是其后的动词 spending。此题中的 to spend… 用作目的状语。