A misplaced modifier occurs when a modifier is distant from the word it should modify. Option C contains a misplaced modifier.
Misplaced modifier: A misplaced modifier is a modifier that is placed too far from the word or words it modifies in a sentence, resulting in awkwardness or confusion. In option C, 'by a gas station' is a misplaced modifier as it should be closer to the word it modifies, 'my car broke down.'
Examples of misplaced modifier:
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