Phenyl pyrazole is present in which insecticide?

Correct option is A

Fipronil is a broad-spectrum insecticide from the phenylpyrazole group, used against soil and foliar pests.
(b) Imidacloprid is a neonicotinoid.
(c) Dimethoate is an organophosphate.
(d) Malathion is another organophosphate insecticide.