What Is the Advantage of an Insect Having Air-Filled Tracheae

What is the advantage of an insect having air-filled tracheae and spiracles over taking up oxygen through their skin?

A) They increase surface area
B) Gasses diffuse more rapidly in air
C) They increase surface area and gasses diffuse more rapidly in air
D) They act like a lung and move air into the insect
E) They act like a lung and move air into the insect and also increase surface area