It would be B, Hope this helps!
Answer: She/Practice
Explanation: It’s She/Practice because it fits the subjunctive mood. Plus I just got it right on my class
C is the right one. Unlike quotations or paraphrased ideas, information that's considered "common knowledge" doesn't need to be cited. "Common knowledge" is information that's considered widely known or easily verified.
TV show: Stanford Pines
Book: Alex Hirsch and Rob Renzetti