In some cultures friendship( )a strong life-long bond between two people while American(见下方)
问题描述：
In some cultures friendship( )a strong life-long bond between two people while American(见下方)
friendships( )quickly and maybe change just as quickly
A.meant;develop B.is menat;are developing C.means;developed D.means;develop
该题正确答案应选D,为什么不能选C?
答
while表示然而,前后两句并列,所以时态应该保持统一,所以C不对~