The correct option is
C Arthropoda
More than 80% of all of the animals in the world are arthropods.
Horseshoe crabs, spiders, scorpions, sea spiders and mites, millipedes, centipedes, brine shrimp, barnacles, lobsters, crabs, shrimps. Insects- Ants, aphids, beetles, butterflies, cockroaches, dragonflies, flies, grasshoppers, leafhoppers, lice, mayflies, praying mantis, stink bugs, silverfishes, termites, etc., are examples of arthropods.