All the parents worry about the ____ of TV on their children.

All the parents worry about the ____ of TV on their children.
A、defect
B、result
C、effect
D、affect
【正确答案】：C
【题目解析】：defect 缺点；result 结果；effect n. 影响；affect v. 影响；句意：所有的父母都担心电视对孩子的影响。此处应选名词形式，因此C正确