关于OG12-100的E选项

100.        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.

(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（对）

(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

E选项说 Placement of like the planets is awkward这句话我不是很懂，是不是like 有什么必须放在句首的规则之类的

E选项还说some of which is awkward and ambiguous;我记得有人总结过which可修饰n+prep，即跳过介词词组修饰前面的名词，前提是该介词词组修饰n，我看了一下觉得结构是对的，所以就不太清楚说是错在哪里了……