Explanation
The correct synonym of the word "opulent" is option C: wealthy.
Opulent is an adjective that describes something or someone that is rich, wealthy, or luxurious. A person, place, or thing that is opulent is characterized by great wealth, abundance, and lavishness.
Witty means clever and humorous, Novice means a person who is new to something, and Naughty means disobedient or mischievous. These words have different meanings and cannot be used as synonyms for opulent.