-I am trying to learn math well,but it doesn't work very well.-Take it easy.Just regard it ___ a
问题描述：
-I am trying to learn math well,but it doesn't work very well.-Take it easy.Just regard it ___ a
-I am trying to learn math well,but it doesn't work very well.
-Take it easy.Just regard it ___ a big challenge!
A.to B.with C.for D.as
答
D regard sth as sth 把什么视为什么.