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14 Apr 2021, 19:21
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wishmasterdj
Without the by, (C) is open to another interpretation: maybe "tending, gathering, and building" are things that happen as a result of serving the colony -- those ants serve the colony, and in doing so, they are tending, gathering, and building. In other words, the tending, gathering, and building might be the result of the serving, not the mechanism by which they serve.
To make matters worse in (C), why is there a "by" before "battling" but not before "tending, gathering, and building"? This actually compounds the issue -- is there a "by" in front a "battling" only because "battling" is the only one that's a mechanism of the serving, while the others are results of the serving? The meaning is open to interpretation. (This is a great example of how flawed parallelism can affect the clarity of a sentence.)
In (E) we don't have that ambiguity. there is no question that "tending, gathering, and building" are things that those ants do to serve the colony. How do those ants serve the colony? By tending, gathering, and building.
I hope that helps!
13 Nov 2021, 01:45
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AjiteshArun
please help me understand this structure
social structure in which a few individuals reproduce and the rest are serving
here preposition IN is followed by a which then clause
is this construction right
is it is acting as noun clause
please help me understand this structure
social structure in which a few individuals reproduce and the rest are serving
here preposition IN is followed by a which then clause
is this construction right
is it is acting as noun clause
13 Nov 2021, 20:50
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saby1410
Hi saby1410,
Yes, it's fine. We often see prepositions used before relative pronouns. For example:
1. the house in which they live
2. the house that they live in
Some people think that prepositions shouldn't be used towards the end, so they may prefer (1) to (2), but the GMAT doesn't take a position on this issue.
