Recent findings lend strong support to the theory that a black hole lies at the center of the Milky Way and of many of the 100 billion other galaxies estimated to exist in the universe.

A.     that a black hole lies at the center of the Milky Way and of

B.     that a black hole lies at the Milky Way’s center and

C.    that there is a black hole lying at the milky Way’s center and

D.    of a black hole lying at the Milky Way’s center and

E.     of a black hole that lies at the center of the Milky Way and of

答案选A，可A中and前后明显不对称阿，and前是一个从句，后面是一个词组。

我选E。

Recent findings lend strong support to the theory that a black hole lies at the center of the Milky Way and of many of the 100 billion other galaxies estimated to exist in the universe.

是这样平行的。

可是E不是也有这种平行吗？

是因为of不如that好吗？为什么呢？

请指教~~