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Intern
Joined: 06 Aug 2018
Posts: 1

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11 Aug 2018, 03:06
First, an example.
As a result of record low temperatures, the water pipes on the third floor froze, which caused the heads of the sprinkler system to burst, which released torrents of water into offices on the second floor.

A) which caused the heads of the sprinkler system to burst, which released torrents of water
B) which caused the heads of the sprinkler system to burst and which released torrents of water
C) which caused the heads of the sprinkler system to burst, torrents of water were then released
D) causing heads of sprinkler system to burst, then releasing torrents of water
E) causing heads of the sprinkler system to burst and release torrents of water

OA is E

Here comes my question:
How can to burst and (to) release be parallel?
The "burst" leads to the "release". So the "burst" must happen before the "release".
If the pipe didn't burst, water won't come out.
Should it be "to burst and then to release"?
It might happen at the same time but no "burst" no "release"

Compare to this one:

After moving to Switzerland in the 1890’s, Albert Einstein attended the Swiss Federal Polytechnic School in Zurich, receiving in-depth training in quantitative analysis and developing a foundation for his future work in mathematical physics.

(A) attended the Swiss Federal Polytechnic School in Zurich, receiving in-depth training in quantitative analysis and developing

(B) attended the Swiss Federal Polytechnic School in Zurich, receiving in-depth training in quantitative analysis and developed

(C) attended the Swiss Federal Polytechnic School in Zurich, received in-depth training in quantitative analysis, and he developed

(D) attended the Swiss Federal Polytechnic School in Zurich, received in-depth training in quantitative analysis, developing

(E) attending the Swiss Federal Polytechnic School in Zurich, receiving in-depth training in quantitative analysis, and developing

Now in the OA, we must clearly differentiate the sequence
First is attended. And then receiving and developing.

What makes it different?

And the following sentences, how can I decide?

1. James jumped out of the building and died instantly.
2. James jumped out of the building, dying instantly.

If no difference does it mean I should start looking for other clues in the question?

Thanks again!
Math Expert
Joined: 02 Sep 2009
Posts: 56302

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11 Aug 2018, 03:15
544749023 wrote:
First, an example.
As a result of record low temperatures, the water pipes on the third floor froze, which caused the heads of the sprinkler system to burst, which released torrents of water into offices on the second floor.

A) which caused the heads of the sprinkler system to burst, which released torrents of water
B) which caused the heads of the sprinkler system to burst and which released torrents of water
C) which caused the heads of the sprinkler system to burst, torrents of water were then released
D) causing heads of sprinkler system to burst, then releasing torrents of water
E) causing heads of the sprinkler system to burst and release torrents of water

OA is E

Here comes my question:
How can to burst and (to) release be parallel?
The "burst" leads to the "release". So the "burst" must happen before the "release".
If the pipe didn't burst, water won't come out.
Should it be "to burst and then to release"?
It might happen at the same time but no "burst" no "release"

Compare to this one:

After moving to Switzerland in the 1890’s, Albert Einstein attended the Swiss Federal Polytechnic School in Zurich, receiving in-depth training in quantitative analysis and developing a foundation for his future work in mathematical physics.

(A) attended the Swiss Federal Polytechnic School in Zurich, receiving in-depth training in quantitative analysis and developing

(B) attended the Swiss Federal Polytechnic School in Zurich, receiving in-depth training in quantitative analysis and developed

(C) attended the Swiss Federal Polytechnic School in Zurich, received in-depth training in quantitative analysis, and he developed

(D) attended the Swiss Federal Polytechnic School in Zurich, received in-depth training in quantitative analysis, developing

(E) attending the Swiss Federal Polytechnic School in Zurich, receiving in-depth training in quantitative analysis, and developing

Now in the OA, we must clearly differentiate the sequence
First is attended. And then receiving and developing.

What makes it different?

And the following sentences, how can I decide?

1. James jumped out of the building and died instantly.
2. James jumped out of the building, dying instantly.

If no difference does it mean I should start looking for other clues in the question?

Thanks again!

Question #1 is here: https://gmatclub.com/forum/as-a-result- ... 07865.html
Question #2 is here: https://gmatclub.com/forum/after-moving ... 82130.html
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VP
Joined: 30 Jan 2016
Posts: 1128

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12 Aug 2018, 10:39
Hi 544749023,

I'd highly recommend to watch Ron's video on parallelism:

https://gmatclub.com/forum/compiled-thu ... 54538.html
_________________
Non progredi est regredi
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