He spent his whole life caught up in mundane matters.

Answer: Option B

Foolish : lacking good sense or judgement; unwise.
Worldly : of or concerned with material values or ordinary life rather than a spiritual existence.
Inconsequential : not important or significant.
Criminal : a person who has committed a crime.
Mundane : of this earthly world rather than a heavenly or spiritual one.

Synonym of Mundane is Worldly