The gecko,Lepidodactylus lugubris is outcompeted by an introduced species of gecko,Hemidactylus frenatus.This is because

A) Both species are insectivorous, and insects are a limiting resource.
B) Lepidodactylus lugubris is cannibalistic, and as a result depletes its own populations.
C) The diets of the two species overlap substantially.
D) Hemidactylus frenatus depletes resources to lower levels than L. lugubris.