问题补充：
It takes him too much time basketball. He should spend more time his homework.
A. to play, to do
B. playing, doing
C. to play, doing
D. playing, to do
答案：
A. to play, to do
B. playing, doing
(答案→)C. to play, doing
D. playing, to do
解析：句意：他花太多时间打篮球。他应该多花时间做作业。It takes/took sb some time to do sth 是固定句型，表示花某人时间做某事，常用it做形式主语；spend some time (on) doing sth 也是固定句型，表示某人花时间做某事，主语是人。结合语境可知应选C。
