It's impolite to__others when you tale with them.

问题描述:

It's impolite to__others when you tale with them.
A look at B look hard at C look over D look up

A look at:向..嘌了一眼
B 没见过这样的用法
C look over:从..上面看,察看,检查
D look up :向上看,尊敬,查寻
根据意思可以知道答案是应该选A.