if people___cutting down .

if people___cutting down .
if people___cutting down the forest,they will have nowhere___
A.keep;to live in B.will keep;to live in
C.keep;to live D.will keep;to live
但答案选择的是A，所以我好迷惑哦。
而且做了最近一期的英语学习报，居然有道题目是这样的，只考前半段，后半段是直接写的"to live"!