GWD25-Q4.

clairesslc

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
看了以前的帖子 不清楚B C 错在哪 是不是many指代单数的center错误 there is 应该没有问题  另外A's and C of D 这个结构应该是平行的吧

arthurman

of the Milky Way 和 of the 100 billion other galaxies 应该都是修饰center的所以B和C就不可以啦~
我觉得A's and C of D 这个平行是不对的...

clairesslc

不好意思 下划线没显示 划线部分是 that a black hole lies at the center of the Milky Way and of