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AbdurRakib
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Although he patented over 1,000 inventions, many of which revolutioniz 11 Jun 2016, 11:22
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74% (00:48) correct 26% (01:01) wrong based on 323 sessions

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Although he patented over 1,000 inventions, many of which revolutionized the modern world, Thomas Edison attained worldwide fame based upon his invention of the incandescent light bulb.

A.Thomas Edison attained worldwide fame based upon his invention of the incandescent light bulb
B.it was his invention of the incandescent light bulb that brought Thomas Edison worldwide fame
C.it was the incandescent light bulb and his invention of it that brought Thomas Edison worldwide fame
D.Thomas Edison’s invention of the incandescent light bulb brought him worldwide fame
E.Thomas Edison earned worldwide fame for his invention of the incandescent light bulb
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E
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ynk
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Although he patented over 1,000 inventions, many of which revolutioniz 11 Jun 2016, 20:02
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AbdurRakib
Although he patented over 1,000 inventions, many of which revolutionized the modern world, Thomas Edison attained worldwide fame based upon his invention of the incandescent light bulb.

A.Thomas Edison attained worldwide fame based upon his invention of the incandescent light bulb
B.it was his invention of the incandescent light bulb that brought Thomas Edison worldwide fame
C.it was the incandescent light bulb and his invention of it that brought Thomas Edison worldwide fame
D.Thomas Edison’s invention of the incandescent light bulb brought him worldwide fame
E.Thomas Edison earned worldwide fame for his invention of the incandescent light bulb
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Clearly its E.

Although he patented over 1,000 inventions....should modify a person i.e thomas edison.(Eliminate B,C,D)

Between A & E "fame based upon" is wordy and awkward whereas "fame for" is apt and precise.
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Although he patented over 1,000 inventions, many of which revolutioniz 12 Jun 2016, 02:35
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why b is wrong ?
because Edison is far from "he".
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Although he patented over 1,000 inventions, many of which revolutioniz 03 Aug 2019, 12:05
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generis , egmat , Bunuel and other experts
Can you please explain why B is wrong?
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Although he patented over 1,000 inventions, many of which revolutioniz 03 Feb 2020, 13:07
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Although he ... should be followed by Thomas Edison. - eliminate B, C and D
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Although he patented over 1,000 inventions, many of which revolutioniz 28 Apr 2020, 05:17
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thangvietname
why b is wrong ?
because Edison is far from "he".
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B is wrong as the subject immediately following the comma of the modifying phrase "Although he patented over 1,000 inventions,..." does not make logical sense. Who patented over 1,000 inventions? Edison! B seems to think that "it was his invention" that patented 1,000 inventions. Inventions cannot patent something, but Edison, the person, can!
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Although he patented over 1,000 inventions, many of which revolutioniz 20 Jan 2022, 04:49
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thangvietname
why b is wrong ?
because Edison is far from "he".
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Also I find "it" hanging unnecessary or ambiguous
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Although he patented over 1,000 inventions, many of which revolutioniz 20 Jan 2022, 05:14
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Anuj6221
thangvietname
why b is wrong ?
because Edison is far from "he".

Also I find "it" hanging unnecessary or ambiguous
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Hello Anuj6221,

We hope this finds you well.

To provide a bit of clarity on this point, the use of "it" is not exactly unnecessary or ambiguous; here, "it" functions as a placeholder pronoun. The error here is that "Although he patented over 1,000 inventions" modifies "it" rather than "Thomas Edison"; remember, in a “phrase + comma + noun” construction, the phrase must correctly modify the noun; this is one of the most frequently tested concepts on GMAT sentence correction.

We hope this helps.
All the best!
Experts' Global Team
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