According to recently published federal aviation statistics,
twin-engine aircraft accidents, which aircraft typically have only two seats, account for the vast majority of airplane accidents, well over ninety percent.
(A) twin-engine aircraft accidents, which aircraft typically have only two seats, account for the vast majority of airplane accidents, well over ninety percent
(B) twin-engine aircraft, which typically have only two seats and account for the vast majority of airplane accidents, well over ninety percent
(C) accidents involving twin-engine aircraft, which typically have only two seats, account for the vast majority, well over ninety percent, of all airplane accidents
(D) the vast majority of airplane accidents, well over ninety percent, are twin-engine aircraft, which typically have only two seats
(E) well over ninety percent, the vast majority, of airplane accidents are twin-engine aircraft accidents, which typically have only two seats
The original sentence makes an illogical comparison between aircraft and accidents. The grammatical construction suggests that twin-engine
. Choice (C) corrects the problem by reconstructing the sentence. Choice (B) also corrects the problem, but the result is not a complete sentence.