[求助]gwd24-34

24-34 Studying the fruit fly, a household nuisance but a time-honored experimental subject, has enabled the secrets of how embryos develop to begin to be unraveled by scientists.

A) Studying the fruit fly, a household nuisance but a time-honored experimental subject, has enabled the secrets of how embryos develop to begin to be unraveled by scientists.

B) By the study of the fruit fly, a household nuisance and also a time-honored experimental subject, it was possible for the secrets of how embryos develop to begin to be unraveled by scientists.

D) By studying the fruit fly, a household nuisance and also a time-honored experimental subject, the secrets of how embryos develop are beginning to be unraveled by scientist.

E) The study of the fruit fly, a household nuisance but a time-honored experimental subject, has enabled scientist to begin to unravel the secrets of how embryos develop.\

didn't c anyone discuss this question before..  wanna ask why the answer is E?

B，C，D的分词修饰对象与主语的不一致

A中studying不能做名词，后面enable the secrets后面用被动也不好

E用了同位语的插入结构，同位语是ETS比较优先选择的结构

up

B) By the study of the fruit fly, a household nuisance and also a time-honored experimental subject, it was possible for the secrets of how embryos develop to begin to be unraveled by scientists.

it was possible for sth to be unraveled by scientists by the study of the fruitfly

正确：

it was possible for scientists to unravel sth by the study of the fruitfly