GMAT Sentence Correction (SC) | Re: Unlike the short flights of the shuttle and earlier

Ganganshu , D is the correct answer. E isn't correct because it comparesthe flights of the shuttle witha permanently orbiting space station . The orbiting station should be compared with the shuttle.
Anyway, the question in the SC Latest Collection by Souvik has theUnlike underlined too. I was almost certain the question was wrong.
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