—Are they hens? —_______________.
A:Yes, they aren't.
B:Yes, it is.
C:No, they aren't.
与“近朱者赤,近墨者黑”相对比,集中表现莲高洁品质,现在人们常用来比喻某些人不与世俗同流合污而又洁自好的句子是:____,____。