单选题
1.[2009.10]______he has many friends,he is often feeling lonely.
A.As
B.When
C.While
D.Since
正确答案:C
答案解析:[译文]尽管(虽然)他有许多朋友,但他常常感到孤独。
[试题分析]语法题。
[详细解答]状语从句的从属连词的选取。