In its most recent approach, the comet Crommelin passed the Earth at about the same distance and in about the same position,some 25 degrees above the horizon, that Halley's comet will pass the next time it appears.

a.that Halley's comet will pass

b.that Halley's comet is to be passing

c.as Halley's comet

d.as will Halley's comet

e.as Halley's comet will do

为什么选Ｄ不选Ｅ．

简洁原则吧,就像女孩子穿衣服,能少就少,as引导的结构保留情态助动词即可;

优选原则决定了D比E优, 虽然E也不错

 D是倒装;

你说的这个原则可能是优选原则,并不是绝对错误;一般来说原句的句子结构不要轻易改

变,这样容易改变句子重心, 但你会发现全部画线的句子,有的就不得不改变句子结构,一

般来说GMAT改错是准确表达意思至上.