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OFFICIAL EXPLANATION



The bicameral system of parliament in the United States, which comprises the Senate and the House of Representatives, resting on the notion that checks and balances are necessary to place limits on the dominance of one branch of government, was essential to the vision of America's Founding Fathers.


A. The bicameral system of parliament in the United States, which comprises the Senate and the House of Representatives, resting on the notion that checks and balances are necessary to place limits on the dominance of one branch of government,

Incorrect.

This question deals with readability. This sentence presents a noun (the bicameral system) with two modifiers:

  • which comprises / comprising the Senate ...
  • resting on the notion ...

These modifiers should be placed in the most readable construction.

This answer choice is illogical. The modifier resting on the notion [...] is incorrectly placed after the modifier which comprises the Senate [...] and therefore seems to modify the noun House of Representatives rather than the bicameral system. However, the House of Representatives is not the one resting on the notion of checks and balances -- the bicameral system is.

    The bicameral system ... <-- which comprises the Senate and the House of Representatives <-- resting on the notion that checks and balances



B. The bicameral system of parliament in the United States, comprising the Senate and the House of Representatives, rests on the notion that checks and balances were necessary to place limits on the dominance of one branch of government, and

Incorrect.

This answer choice changes the original meaning of the sentence. By changing are to were (checks and balances were necessary), this answer choice changes a generalization or truth (Present Simple) into a fact which was relevant only in the past (Past Simple).



C. Resting on the notion that checks and balances are necessary to place limits on the dominance of one branch of government, the bicameral system of parliament in the United States, which comprises the Senate and the House of Representatives,

This question deals with readability. This sentence presents a noun (the bicameral system) with two modifiers:

  • which comprises / comprising the Senate ...
  • resting on the notion ...

These modifiers should be placed in the most readable construction.

This answer choice corrects the original logical mistake by placing the Dangling modifier Resting on the notion [...] directly before the noun it modifies (the bicameral system...) and placing the relative clause which comprises the Senate [...] directly after the same noun.




D. Resting on the notion that checks and balances are necessary to place limits on the dominance of one branch of government and comprising the Senate and the House of Representatives, the bicameral system of parliament in the United States

Incorrect.

While this answer choice corrects the original logical mistake, it introduces a new one. This answer choice creates a parallelism of the Dangling Modifiers describing the bicameral system (resting... and comprising), but these items are not logically parallel and do not belong in a list: the first describes the origins of the system, while the second describes its structure.

There is an answer choice which better organizes the relationship between the noun and its modifiers, making the sentence more readable. Find it!



E. Resting on the notion that to place limits on the dominance of one branch of government checks and balances are necessary and comprising the Senate and the House of Representatives, the bicameral system of parliament in the United States

Incorrect.

While this answer choice corrects the original logical mistake, it introduces a new one. This answer choice creates a parallelism of the Dangling Modifiers describing the bicameral system (resting... and comprising), but these items are not logically parallel and do not belong in a list: the first describes the origins of the system, while the second describes its structure.

There is an answer choice which better organizes the relationship between the noun and its modifiers, making the sentence more readable. Find it!
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I still don't see how D is worse than C? C uses "which", and this "which" could refer to the United States or the bicameral system, this is clearly ambiguous and could create confusion. Whereas in E, you do not have that confusion at all. The modifiers in E, though they are wordy, are directly connected to the Bicameral System, and also the independent clause is clear (S-V connection). Moreover, the bicameral system is what comprises the house of the senate + house of the representatives...Anyone got any info on how to locate what "which" in option C refers to? and how D is inferior to C.
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