PREP 里面一道SC,求解答，感谢。

songchengxuan1

In her 26 years in the forests of Gombe, JaneGoodall collected data that proved that chimpanzees exhibit the kind ofcuriosity so that new patterns of behavior and expression can be passed on fromeach one to others by imitating and practicing.
A.    exhibit the kind of curiosity so that new patternsof behavior and expression can be passed on from each one to others byimitating and practicing
B.    will exhibit the kind of curiosity so that newpatterns of behavior and expression can be passed on from one to another byimitating and practicing
C.    will exhibit the kind of curiosity so that newpatterns of behavior and expression can be passed on from one to another byimitation and practice
D.   exhibit the kind ofcuriosity by which new patterns of behavior and expression can be passed onfrom one to another by imitation and practice(D)
E.    exhibit the kind of curiosity where new patterns ofbehavior and expression are passed on to others by imitation and practice


知道答案为D,不懂问什么A,B,C里面的so that不对，求解。

Gry

同求。。。。。