Select from the following.
(a). wings
(b). pistons
(c). white
(d). bats
(e). animals
(f). insects
(g). pollen
(h). ovaries

Fact 1: Wings are part of the exoskeleton and attached to the thorax. Fact 2: Spiracles are located on the abdomen and thorax. Given the two facts above, what shares a location with spiracles?
Answer:
(a).