A:人生离不开友情,友情照亮我们的人生之路
B:友情需要宽容
C:友情需要真诚
D:友情需要尊重
如图,在平行四边形ABCD中,EF∥AB交AD于E,交BD于F,DE:EA=3:4,EF=3,则CD的长为( )
A: were you five years ago? B: I was in Beijing.