Correct Answer:
C. with
The correct option is with. The adjective "contented" is typically followed by the preposition "with" to indicate satisfaction or happiness regarding something. "Contented with his life" is the standard idiom.
The correct option is with. The adjective "contented" is typically followed by the preposition "with" to indicate satisfaction or happiness regarding something. "Contented with his life" is the standard idiom.