What is parallel stucture?

Parallel structure (also called parallelism) is the repetition of a chosen grammatical form within a sentence. By making each compared item or idea in your sentence follow the same grammatical pattern, you create a parallel construction.

Explanation:

Not Parallel:

Ellen likes hiking, the rodeo, and to take afternoon naps.

Parallel:

Ellen likes hiking, attending the rodeo, and taking afternoon naps.

OR

Ellen likes to hike, attend the rodeo, and take afternoon naps.

i think its d, but grammarly says none

explanation:

i think its c

independent