Its called a double replacement/displacement reaction.
I believe the answer is a Metaphor.
I’m not sure if you meant “convince” and I don’t know the options giving but you can use words like persuade or prove or etc.
Answer:
"What is life but a series of inspired follies? The difficulty is to find them to do. Never lose a chance: it doesn't come every day." These lines from Pygmalion are spoken by Professor Higgins, who is convincing himself of accepting Liza as a pupil.
Explanation:
