The stars, some of them at tremendous speeds, are in motion just as the planets are, yet being so far away from Earth that their apparent positions in the sky do not change enough for their movement to be observed during a single human lifetime.
The stars, some of them at tremendous in motion just as the planets are, yet being so far away from Earth that their apparent positions in the sky do not change enough for their movement observed during a single human lifetime. (A) The stars, some of them at tremendous speeds, are in motion just as the planets are, yet being
(B) Like the planets, the stars are in motion, some of them at tremendous speeds, but they are
(C) Although like the planets the stars are in motion, some of them at tremendous speeds, yet
(D) As the planets, the stars are in motion, some of them at tremendous speeds, but they are
(E) The stars are in motion like the planets, some of which at tremendous speeds are in motion but
some of them at tremendous speeds 这个结构到底如何理解,在之前的link中疑问没有解答出
http://forum.chasedream.com/GMAT_SC/thread-152515-4-1.html “ some of them at tremendous speeds 不是独立主格吧,独立主格的特点之一是逻辑主语与句子的主语不同,它独立存在。some 和stars可以认为是相同的。 我觉得应该是stars的同位语,求证~“