Sentence Correction (SC) | Re: Persistence of Vision, a condition when your eyes bridge the gaps of

GMATNinjaTwo sayantanc2k

Hi guys,

I was wondering could one of you please explain why option A is wrong? I understand the reasoning behind option D (which can jump over the preposition phrase and modify the noun preceding it); however, I am not able to understand why option A is incorrect. Is it incorrect because of "when"? If so, could you please explain why? Would greatly appreciate it!
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