It's easier to fall into bad habit than into good

问题描述:

It's easier to fall into bad habit than into good
It's easier to fall into bad habits than into good( ).
A.one B.ones C.other D.others.
为什么?>>
为什么不选D呢?

B 前面的habits是复数,对应的排除A和C
再看应该用一个代词ones代替habits
这句话的意思是"养成坏习惯比好习惯容易多了"