Now lots of teenagers spend a lot of time playing computer gamesYes. Teachers an

问题补充：

--- Now lots of teenagers spend a lot of time playing computer games.

--- Yes. Teachers and their parents should prevent them too much.

A. to play

B. play

C. plays

D. Playing

答案：

A. to play

B. play

C. plays

(答案→)D. Playing

解析：句意：--现在许多年轻人花费了许多时间打电脑游戏。--是的老师和他们的父母应该组织他们玩太多。Prevent sb doing sth. 组织某人做某事。故选D.