Question

_____to playing computer games,he wasted lots of time he should have spent on study.

A.Addicting B.Addicted C.To be addicted D.Being addicted

Answer 1

_____to playing computer games,he wasted lots of time he should have spent on study.
A.Addicting B.Addicted C.To be addicted D.Being addicted
选B Addicted to playing computer games是过去分词短语，做原因状语。
Addicted to playing computer games,he wasted lots of time he should have spent on study.
=
Because he wasaddicted to playing computer games,he wasted lots of time he should have spent on study.‍‍‍‍‍‍

追问

为什么不能选A？

追答

因为be addicted to “对。。。沉迷”是固定词组(主语是人)。
Addicted to playing computer games,是【过去分词短语】做原因状语，这个过去分词短语的【逻辑主语是主句的主语he】，
Addicted to playing computer games,=Because he was addicted to playing computer games,

Answer 2

D.Being addicted
be addicted to 对。。。沉迷
Can we be addicted to love?
我们怎么会对爱情成瘾呢？

Answer 3

B.这里有个用法 be addicted to sth,对什么上瘾。你可以吧addicted看成形容词，做后面一句话的状语。就像exhausted, he went back home. 至于D不能选，addicted是状态，没有正在上瘾之说。