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,请问a中的最后那个of起什么作用,和谁平行?是用来修饰theory的吗?如果是这样的话,那么e岂不是更加对称? |