GMAT Sentence Correction (SC) | Re: The consequences of the import tariff have been felt in not only the f

One can dispense with A, C and D on co-relative conjunction parallelism foul alone. Between B and E, it is question of prepositional parallelism in a list. If we are going to use the preposition 'by' for the first item of the list, we can omit the same for the rest of the lists (once out and several times in rule). Per se, the use of the proposition for the first item and the last item alone, ignoring for the other two in between is not true parallelism. E is grammatically superior. For more
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