Which line from "Lather and Nothing Else." best reveals internal conflict?

The line “And it would be so easy to kill him. He deserves it. Or does he? No!” directly shows the narrator struggling between the urge to kill the captain and his doubts about doing so. That opposing thoughts reveal internal conflict. The other choices describe nervousness, the captain’s assumptions, or his appearance without showing the same clear struggle.

AI-written and checked against the verified answer.