求助语法OG13-99

stevenckguo

5.The stars, some of them attremendous speeds, are in motion just as the planets are, yet being so far away from Earth that their apparent positionsin the sky do not change enough for their movement to be observed during asingle human lifetime.
A.The stars, someof them at tremendous speeds, are in motion just as the planets are, yet being
B.Likethe planets, the stars are in motion, some of them at tremendous speeds, butthey are 正确
C.Although like theplanets 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 inmotion like the planets, some of which at tremendous speeds are in motion but
就是想问一下D选项用AS比较二者为啥不可以呢？

stevenckguo

谢谢！

刘姗姗

as加名词，表示作为，不能表示比较

lttbelief

As后一般接有谓语的从句 "as sb do sth "“就像sb做sth” 的意思  不直接加名词  
like后可以加名词 “像sth一样”的意思  记住就行