She is very hard-working,_______ he is very lazy.应选什么?为什么?A.while_英语解答

She is very hard-working,_______ he is very lazy.应选什么?为什么?
A.while B.when C.as D.if

人气：323 ℃　时间：2019-09-23 09:16:32

解答

A
意思是她很勤奋,而他却很懒惰.
while 表示转折和对比.