Sentence Correction

Australian embryologists have found evidence that suggests that the elephant is descended from an aquatic animal, and that its trunk originally evolving as a kind of snorkel.

(A) that suggests that the elephant is descended from an aquatic animal, and that its trunk originally evolving
(B) that has suggested the elephant descended from an aquatic animal, its trunk originally evolving
(C) suggesting that the elephant had descended from an aquatic animal with its trunk originally evolved
(D) to suggest that the elephant had descended from an aquatic animal and its turnk originally evolved
(E) to suggest that the elephant is descended from an aquatic animal and that its trunk originally evolved

OA: E

Parallelism .... Also needs a present tense
[spoiler](E)[/spoiler]
to suggest that the elephant is descended from an aquatic animal and that its trunk originally evolved

gmatv09 wrote:Parallelism .... Also needs a present tense
[spoiler](E)[/spoiler]
to suggest that the elephant is descended from an aquatic animal and that its trunk originally evolved

What is "elephant is descended" parallel to?

cbenk121 wrote:

gmatv09 wrote:Parallelism .... Also needs a present tense
[spoiler](E)[/spoiler]
to suggest that the elephant is descended from an aquatic animal and that its trunk originally evolved

What is "elephant is descended" parallel to?

descended is parallel to evolved. E is the right answer.

raghavakumar85 wrote:

cbenk121 wrote:

gmatv09 wrote:Parallelism .... Also needs a present tense
[spoiler](E)[/spoiler]
to suggest that the elephant is descended from an aquatic animal and that its trunk originally evolved

What is "elephant is descended" parallel to?

descended is parallel to evolved. E is the right answer.

I understand "descended" is parallel to "evolved"; what threw me for a loop is "is descended". That's passive, which seems like it can't be parallel to an active verb?