Answer:
Selection 2, 3 and 4. August listens to his mom, August agrees to tour the school and August asks questions.
The detail that best reveals that Mr. Rainsford opposes Zaroff's idea of the ideal prey is Mr. Rainsford's response near the end of the passage when he states that he is a hunter, not a murderer. This statement shows the reader that Mr. Rainsford believes that Zaroff hunting humans as prey makes him a murderer.
