Hi, the answer is A - nihilist. The other answers aren't correct because: a "recluse" is a person living a solitary life away from others; "renegade" is similar to a "traitor"; and "totalitarian" means "authoritarian, tyrannical, oppressive, etc". Whereas a "nihilist" is a person who believes in nothing, Latin word nihil means nothing.
Answer:
If someone entrusts you to write a speech for a wedding, it's more meaningful to write it yourself. Take inspiration but don't copy word for word. That takes the sentimentality away.