C) partially . Because it’s important but not as important. If it was an overall things that were unhealthy then that’s a different story.
That sentence is an example of parallel structure.
When there is repetition of a specific grammatical form in a sentence, parallelism or a parallel structure is produced. This occurs when you mantain the same pattern for every compared word or idea in your construction. This makes the idea easier to follow by the reader.
Voters choose representatives, who in turn… choose their voters.