look over,look at,look for区别

题目

look over,look at,look for区别
"父母们去书店看书,并买书作为礼物送给他们的女儿.""看书"指去商店看看买点什么书的意思,e.g.Parents went to shops to ____ the books.They bought those books for their daughters as present.A.look at B.look over C.look for D.look after选哪个啊,

答案

look at 看 对着一个事物看
look over 查看；检查 比如查看辞典、资料之类的东东
look for 寻找
look after 照看；照顾
这里的题目应该是想说 父母去书店____一些书.他们为女儿买那些书作为礼物.
那么这里应该用C了,其他的代入都不合适耶~