Which sentence displays proper use of commas and correct parallel structure? a) to bike, swimming, and hiking are my three favorite outdoor activities. reactivate b) to bike, swimming, and hiking, are my three favorite outdoor activiites. reactivate c) to bike, to swim, and to hike are my three favorite outdoor activities. d) to bike, to swim, and to hike, are my three favorite outdoor activities.

C)To bike, to swim, and to hike are my three favorite outdoor activities.

Explanation:

This is the sentence that correctly employs both commas and parallel structure. In this sentence, the author correctly lists the activities that he or she enjoys. Parallelism is maintained because all of these items are listed in an infinitive form. Moreover, these items are correctly separated by a comma, giving the sentence clarity and structure.

3

explanation: