The answer would be C because to remember the 3 speech you use the acronym PIE. Persuade, inform, entertain. Evaluate can be included in inform.
If the question refers to where a comma should be placed, then the answer is after "Caleb."
The sentence should go like this:
Trayvon, Julie, and Caleb, who are members of the drama club, are auditioning for the school musical on Wednesday.
