Sentence Correction

The human nervous system and a telephone system superficially resemble each other, not only because the former carries information in the form of electrical impulses and because all of its neural pathways converge in the brain and spinal cord, which together form a kind of central exchange.

(A) The human nervous system and a telephone system superficially resemble each other, not only because the former carries
(B) The human nervous system and a telephone system bear a superficial resemblance because they both carry
(C) The human nervous system bears a superficial resemblance to a telephone system both because the former carries
(D) Superficially, a telephone system resembles the human nervous system both because they carry
(E) There is a superficial resemblance between a telephone system and the human nervous system, not only because they both carry


OA C

Source: GMAT Prep

A / E can be eliminated because of improper usage of correlative conjuction not only , and
B can be eliminated because of faulty Parallelism as because should be after both.
D misplaced modifier superficially as well as, they refers to both the nuervous system and telephone system when we just want to refer to the human nervous system.
Therefore, the correct answer is C.