Choose the correct phrase to complete the narrator's description of Captain Pajamas.

Despite the city being under attack by giant mutant hamsters, the sleepy hero was quite reluctant ___ his cozy blankets.

The correct answer is to leave.

Adjectives that describe a person's willingness, readiness, or hesitation (like reluctant, eager, willing, or hesitant) take a to-infinitive to show what action they are (or aren't) prepared to do.