C.THIS CHOICE MAINTAINS THE PARALLEL STRUCTURE NECESSARY IN A NOT...

60. c.This choice maintains the parallel structure necessary in a not only/but alsoconstruction. Choices aand ddisrupt the parallel structure, and dis also wordy. Choice buses the grammatically incorrectphrase being that. Choice ehas two problems. First, it creates an illogical sentence by changing as hav-ingto as it has. If you eliminate the whetherclause in the middle of the sentence, the core sentencewould read Typically people think of genius as it has two qualities, not only supernatural but as welleccentric. Second, it changes not only/but also to not only/but as well, an incorrect idiom.