Fish have a circulatory system with a two-chambered heart.
Fish include bass and salmon.
Salmon have a circulatory system with a two-chambered heart.
What has a circulatory system with a two-chambered heart?

(A) sharks
(B) insects
(C) salmon
(D) animals
(E) barnacles
(F) mammals
(G) tortoises
(H) alpacas