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Before Thomas Edison became the popular and respected inventor known a

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Before Thomas Edison became the popular and respected inventor known a [#permalink]

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New post 13 Aug 2017, 03:16
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  25% (medium)

Question Stats:

63% (00:53) correct 37% (00:38) wrong based on 71 sessions

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Before Thomas Edison became the popular and respected inventor known as Thomas Edison, he was an anonymous student and scientist.

A. Before Thomas Alva Edison became the popular and respected inventor known as Thomas Edison, he was
B. Before he had been the popular and respected inventor, Thomas Edison he was
C. Thomas Alva Edison has been popular and respected inventor, Thomas Edison, after such time as he was
D. Before he became the popular and respected inventor, Thomas Edison had once been
E. Thomas Alva Edison, before he was the popular and respected inventor, Thomas Edison, had been

Source: QS LEAP
[Reveal] Spoiler: OA

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Hasan Mahmud

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Re: Before Thomas Edison became the popular and respected inventor known a [#permalink]

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New post 02 Oct 2017, 06:34
Can anyone please explain why D is correct and A is not?
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Re: Before Thomas Edison became the popular and respected inventor known a [#permalink]

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New post 02 Oct 2017, 10:17
buan15 wrote:
Can anyone please explain why D is correct and A is not?


I guess it is sequencing of events. Thomas Edison was an anonymous student and scientist first and later he was a popular and respected inventor. When events occur in a sequence, the former event in the sequence uses a past-perfect tense and later uses a past tense.

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Re: Before Thomas Edison became the popular and respected inventor known a   [#permalink] 02 Oct 2017, 10:17
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Before Thomas Edison became the popular and respected inventor known a

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