people were perhaps more honest a long time ago when life was very different from___it is today

问题描述:

people were perhaps more honest a long time ago when life was very different from___it is today
A.that B.that what C.which D.what
选哪个,为什么?急

选D,修饰life,很久以前,人们也许更诚实,那时的生活与现在(的生活)非常不同