At school, some students are active ______ some are shy, yet they can be good fr

题型：不详难度：来源：

At school, some students are active ______ some are shy, yet they can be good friends with one another.

A．while

B．although

C．so

D．as

答案

A 

解析

本题考查并列连词。题干句意为：在学校，一些学生很活跃而一些却很害羞，然而他们都可能彼此成为好朋友。根据句意选while，表示两个分句中两种情况的对比。