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Abhi077
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22 Jan 2020, 12:29
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
63% (01:29) correct
37%
(01:21)
wrong
based on 161
sessions
History
Date
Time
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Not Attempted Yet
The twentieth-century physicist Paul Dirac made a significant contribution to his field with the Dirac equation, a unification of all physics since Einstein as well as a glimpse of a series of discoveries that would come to revolutionize science.
A. a unification of all physics since Einstein as well as a glimpse of a
B. a unification of all physics subsequent to Einstein and also his glimpsing of a
C. a unification of all physics after Einstein and glimpsing as well
D. unifying all physics from Einstein forward and also a glimpse of
E. unifying all the physics done since Einstein as well as his own glimpsing of
A. a unification of all physics since Einstein as well as a glimpse of a
B. a unification of all physics subsequent to Einstein and also his glimpsing of a
C. a unification of all physics after Einstein and glimpsing as well
D. unifying all physics from Einstein forward and also a glimpse of
E. unifying all the physics done since Einstein as well as his own glimpsing of
Source - Ready4Gmat
Parallelism Series
Parallelism Series
26 Jan 2020, 23:54
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Dear Friends,
Here is a detailed explanation to this question-
Choice A: This answer choice is quite concise; moreover, it maintains proper parallelism and pronoun use and conveys the intended meaning of the sentence. Thus, this answer choice is correct.
Choice B: This answer choice has several clear flaws. The use of the possessive pronoun "his" is incorrect here, as it could refer to either "Paul Dirac" or "Einstein" and changes the meaning of the sentence; the intended meaning of the sentence only refers to "a glimpse", it does not ascribe ownership of the glimpse to anyone. Additionally, the phrase "and also" is redundant as both "and" and "also" provide the needed sense of conjunction. Thus, this answer choice is incorrect.
Choice C: This answer choice breaks parallelism between the noun "all physics" and the verb "glimpsing". Thus, this answer choice is incorrect.
Choice D: This answer choice breaks parallelism between the verb phrase "unifying all physics" and the noun phrase "a glimpse of. This answer choice also repeats the redundancy error seen in Option B. Thus, this answer choice is incorrect.
Choice E: This answer choice breaks parallelism between the verb phrase "unifying all physics" and the noun phrase "his own glimpsing of". This answer choice is also needlessly wordy due to the use of the phrase "all the physics done since Einstein"; the phrase "all physics since Einstein" conveys the exact same information in a much more concise manner. Thus, this answer choice is incorrect.
Hence, A is the best answer choice.
Please remember that the phrase "his own glimpsing of" is a noun phrase, as in this context "glimpsing" is a gerund. This phrase does not refer to "his" action of glimpsing; it refers to the information and insights gleaned through his "glimpsing".
To understand the concept of "Avoiding Pronoun Ambiguity on GMAT", you may want to watch the following video (~1 minute):
All the best!
Experts' Global Team
Here is a detailed explanation to this question-
Abhi077
Choice A: This answer choice is quite concise; moreover, it maintains proper parallelism and pronoun use and conveys the intended meaning of the sentence. Thus, this answer choice is correct.
Choice B: This answer choice has several clear flaws. The use of the possessive pronoun "his" is incorrect here, as it could refer to either "Paul Dirac" or "Einstein" and changes the meaning of the sentence; the intended meaning of the sentence only refers to "a glimpse", it does not ascribe ownership of the glimpse to anyone. Additionally, the phrase "and also" is redundant as both "and" and "also" provide the needed sense of conjunction. Thus, this answer choice is incorrect.
Choice C: This answer choice breaks parallelism between the noun "all physics" and the verb "glimpsing". Thus, this answer choice is incorrect.
Choice D: This answer choice breaks parallelism between the verb phrase "unifying all physics" and the noun phrase "a glimpse of. This answer choice also repeats the redundancy error seen in Option B. Thus, this answer choice is incorrect.
Choice E: This answer choice breaks parallelism between the verb phrase "unifying all physics" and the noun phrase "his own glimpsing of". This answer choice is also needlessly wordy due to the use of the phrase "all the physics done since Einstein"; the phrase "all physics since Einstein" conveys the exact same information in a much more concise manner. Thus, this answer choice is incorrect.
Hence, A is the best answer choice.
Please remember that the phrase "his own glimpsing of" is a noun phrase, as in this context "glimpsing" is a gerund. This phrase does not refer to "his" action of glimpsing; it refers to the information and insights gleaned through his "glimpsing".
To understand the concept of "Avoiding Pronoun Ambiguity on GMAT", you may want to watch the following video (~1 minute):
All the best!
Experts' Global Team
Abhi077
SC Moderator
Joined: 25 Sep 2018
Last visit: 18 Apr 2025
Posts: 1,084
Given Kudos: 1,665
Location: United States (CA)
Concentration: Finance, Strategy
Schools: Rotman '21 Jindal '21 Stern '21
GPA: 3.97
WE:Investment Banking (Finance: Investment Banking)
Products:
27 Jan 2020, 10:28
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OFFICIAL EXPLANATION
One of the GMAT's favorite tricks is to use "as well as" when we actually need "and." But how do we know which we need? "As well as" lets us emphasize what follows it in a way that "and" does not_ When we look at the sentence, that sort of emphasis makes sense here because the sentence's author would likely want to highlight the way that Dirac paved the way for future scientific discovery rather than his consolidation of past scientific discoveries.
In (B) and (C), the use of gerunds (using a verb like "glimpsing" or "unifying" as a noun with another noun like "unification" and "glimpse") should make us particularly wary because the GMAT hates gerunds. Those gerunds and the misuse of "as well" or "as well as" mean that (B), (C), (D), and (E) are incorrect "Unification" and "glimpse" are far better than the various combinations of "glimpsing" and "unifying."
The correct answer is Choice (A).
One of the GMAT's favorite tricks is to use "as well as" when we actually need "and." But how do we know which we need? "As well as" lets us emphasize what follows it in a way that "and" does not_ When we look at the sentence, that sort of emphasis makes sense here because the sentence's author would likely want to highlight the way that Dirac paved the way for future scientific discovery rather than his consolidation of past scientific discoveries.
In (B) and (C), the use of gerunds (using a verb like "glimpsing" or "unifying" as a noun with another noun like "unification" and "glimpse") should make us particularly wary because the GMAT hates gerunds. Those gerunds and the misuse of "as well" or "as well as" mean that (B), (C), (D), and (E) are incorrect "Unification" and "glimpse" are far better than the various combinations of "glimpsing" and "unifying."
The correct answer is Choice (A).
