Fact 1: Most invertebrates have a nervous system. Fact 2: Insects are the most common invertebrates. Given the two facts above, what has a nervous system?

Options:
(a). animals.
(b). tortoises.
(c). crocodiles.
(d). sponges.
(e). elephants.
(f). placozoans.
(g). mesozoans.
(h). insects.
The answer is:
(h).