For the word, a contextual sentence is given. Pick the word from the alternatives given, that is most inappropriate in the given context.
FACETIOUS: When I suggested that war is a method of controlling population, my father remarked that I was being facetious.
Facetious means treating serious issues with deliberately inappropriate humour or flippant. Option b,c, d carry the same meaning while Jovian means like the god Jove (or Jupiter) which is completely different and the right choice.