Lawmakers have approved the measures protecting the personal information of Web users.
A. to aim to
B. aiming to
C. aimed at
D. are aimed at
网友回答
A. to aim to
B. aiming to
(答案→)C. aimed at
D. are aimed at
解析：考查形容词固定词组。固定词组be aimed at…旨在…；本题aimed at…前面省略了that are.实际上是定语从句that are aimed at protecting the personal information of Web users.因为横线后面是动名词的形式，排除了AB项。D项句式结构错误。故C正确。