PP-SC45

PP-SC45

Hydrocarbons, with which fruit flies perfume themselves in species-specific blends, are known to be important in courtship, and apparently this assists flies that taste the hydrocarbons on prospective mates to distinguish their own species from that of others.

A.    and apparently this assists flies that taste the hydrocarbons on prospective mates to distinguish their own species from that of

B.    and apparently this assists flies when they taste the hydrocarbons on prospective mates in distinguishing their own species from those of

C.    which apparently assists flies that tastes the hydrocarbons on prospective mates in being able to distinguish their own species from

D.    apparently assisting flies to taste the hydrocarbons on prospective mates to distinguish their own species from those of

E.     apparently assisting flies that taste the hydrocarbons on prospective mates in distinguishing their own species from

Why is E better than D?

D的assist短语搭配错误吧...而且those of others...逻辑错误

as‧sist

1
[intransitive and transitive] to help someone to do something
assist (somebody) with/in something
You will be employed to assist in the development of new equipment.
see usage note help 1
2
[transitive] to make it easier for someone to do something
They had no maps to assist them.

例句：Computer Program can assist to detect Heart Attack.

这道题用了我很长时间才琢磨出来，真不知道上面的那些大牛是不是第一遍就做对了，还是错了以后还想明白的，真是服了YOU.

有疑问 E中的 distinguishing their own species from others不错吗

不是应该用  from those of  others更好吗

为什么前面认为 from those of other 有问题

请指点啊