Carbon emissions from transportation vehicles in the US have amounted

Question

Carbon emissions from transportation vehicles in the US  have amounted to 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent of the total sum of carbon emissions .

A. have amounted to 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent of the total sum of carbon emissions

B. has amounted to a total sum of 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent of the total sum of carbon emissions

C. has amounted to 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent of the total sum of carbon emissions

D. have amounted to 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent carbon emissions

E. have amounted to 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent more compared to emissions in 1990, while accounting for 27 percent of the total sum of carbon emissions

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PriyamRathor · Answer

Carbon emissions from transportation vehicles in the US  have amounted to 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent of the total sum of carbon emissions .

Carbon Emissions  is plural hence we require a plural verb ie  have

Hence, B and C are rejected instantly.

In E -  an  increase  of 24 percent  more  compared to emissions in 1990

Increase and more is redundant. Reject E.

Now, lets compare A and D side by side.

A.  have amounted to 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent    of the total sum of carbon emissions

D.  have amounted to 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent    carbon emissions

In A ,   total   and   sum   means the same thing. Redundant.

Go with D. 
  Correct Answer D

Let's wait for OA

mendax · Answer

Eliminating Answers:
1. Carbon emissions => plural which means the verb used should be  have =>  Eliminate B and C 
2. Total sum of emissions=> redundant to use total and sum=>   Eliminate A and E 
 Correct answer should be D

poojaarora1818 · Answer

Carbon emissions from transportation vehicles in the US  have amounted to 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent of the total sum of carbon emissions .

A. have amounted to 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent of the total sum of carbon emissions  Correct choice

B.  has  amounted to a total sum of 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent of the total sum of carbon emissions Incorrect

C.  has  amounted to 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent of the total sum of carbon emissions Incorrect

D. have amounted to 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent carbon emissions Incorrect

E. have amounted to 1,866.7 Teragram CO2 equivalent in 2003,  an increase  of 24 percent  more  compared to emissions in 1990, while accounting for 27 percent of the total sum of carbon emissions Incorrect

Answer choices B & C are eliminated because of singular-plural mismatch. As has does not go with subject plural carbon emissions.
Answer choice D seems to be incomplete.
Answer choice E Increase and more are redundant.
 So, A is the winner .

MeliodasDSW · Answer

While I agree that there is redundancy in option A, I still think that option D is the wrong answer. Because option D says "while accounting for 27 percent" which means that the carbon emission produced by vehicles is 27% of itself! Hence an option with redundancy is better in this case.
So, the answer is   A  
   Posted from my mobile device

mayankkkk · Answer

can someone confirm the answer as in option A it is mentioned as "a sum total of" and sum & total have the same meaning which makes it redundant. So option D should be the best option

ak232323 · Answer

I believe that in option A or the intended meaning is bus transportation is 27% of carbon emission but in option D it says 27% carbon emission meaning 27% of bus transportation is carbon emission but for what? there is a slight change so, I went with A.

Bunuel · Answer

OFFICIAL EXPLANATION

Carbon emissions from transportation vehicles in the US  have amounted to 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent of the total sum of carbon emissions .

A. have amounted to 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent of the total sum of carbon emissions

The original sentence is grammatically correct and the best option stylistically.

B. has amounted to a total sum of 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent of the total sum of carbon emissions

Incorrect.

This answer choice is grammatically incorrect. The plural subject  carbon emissions  does not agree with the singular verb  has .

What helps you identify this question as a Subject Verb Agreement question as well as identify this mistake is the following Stop Sign:

A long complex subject / a long distance between the subject and the verb

In addition, this answer choice is more wordy than the original sentence.

C. has amounted to 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent of the total sum of carbon emissions

Incorrect.

This answer choice is grammatically incorrect. The plural subject  carbon emissions  does not agree with the singular verb  has .

D. have amounted to 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent compared to emissions in 1990, while accounting for 27 percent carbon emissions

This answer choice is illogical. The phrase  27 percent carbon emissions  has no intelligible meaning in this sentence.

E. have amounted to 1,866.7 Teragram CO2 equivalent in 2003, an increase of 24 percent more compared to emissions in 1990, while accounting for 27 percent of the total sum of carbon emissions

No, that's not it.

This answer choice is stylistically flawed. Using both  increase  and  more  is redundant.

Carbon emissions from transportation vehicles in the US have amounted

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GMAT Sentence Correction (SC - EA only) Questions

Carbon emissions from transportation vehicles in the US have amounted

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