Antonym of LEVITY

Answer: Option B

Levity : the treatment of a serious matter with humour or lack of due respect.
Stupidity : behaviour that shows a lack of good sense or judgement.
Gravity : extreme importance; seriousness.
Lofty : of imposing height.
Absurdity : the quality or state of being ridiculous or wildly unreasonable.

Antonym of Levity is Gravity