GWD 25-4

GWD25-Q4.

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

答案是A　and 后面的of是什么意思？句子不懂，请NN指点，我选B

upup~~~

please help us.

A正确：lie at the center of ...and of...(estimated to..作定语)

B错误：and后面没有谓语