Sentence Correction: Comparatives - Like/Unlike

Unlike the rigid assembly line pioneered by Henry Ford in the early 20th century and so crucial to the development of modern consumer society, since the late 1980s business specialists Martin Kenney and Richard Florida have been advocating a turn toward flexible production lines.

Incorrect.

This answer choice is grammatically incorrect. It incorrectly uses the comparative construction Unlike A, B to compare a noun (the rigid assembly line...) and a time expression (since the late 1980s ...).

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Incorrect.

While this answer choice corrects the grammatical mistake in the original sentence, it is stylistically flawed. The phrase even with...being is wordy and awkward.

There is an answer choice that conveys the message of the sentence in a clearer and more concise way. Find it!

Incorrect.

This answer choice is grammatically incorrect. It incorrectly uses the comparative construction Unlike A, B to compare a noun (the early 20th century... ) and a time expression (since the late 1980s ...).

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Incorrect.

This answer choice is grammatically incorrect. It incorrectly uses the comparative construction Unlike A, B to compare a noun (Henry Ford... ) and a time expression (since the late 1980s ...).

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Well done!

This answer choice circumvents the original mistake by replacing the word unlike with although, thereby removing the incorrect comparison between the beginning of the sentence and the time expression since the late 1980s ... .

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Furthermore, the structure of this sentence is clear and concise and therefore stylistically superior to other answer choices.

Unlike the rigid assembly line pioneered by Henry Ford in the early 20th century and
Although the rigid assembly line pioneered by Henry Ford in the early 20th century was
Even with the rigid assembly line pioneered by Henry Ford in the early 20th century being
Unlike the early 20th century, when Henry Ford pioneered the rigid assembly line that was
Unlike Henry Ford, pioneer of the rigid assembly line, which in the early 20th century was

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