来做几道英语选择题．说明理由
1.but man and some monkeys are the only mammals ( )can see color
A.which B.who C.when D.that
2.like ( ) animals ,dogs seebest when things move
A.for B.with C.as D.to
3.the animals they hunt seem to know( ) .
A.them B.these C.this D.so
4.a young bird can see a house ( )the sky
A./ B.from C.on D.at
5.the bird can ( ) something they think safe
A.land B.land on C.land for D.be landed
一定要说明理由