The breast muscle of a wild duck is dark,while that of a domesticated chicken is white.What would be true of breast muscle in a wild duck?

A) predominately fast-twitch muscles with abundant capillaries and mitochondria
B) predominately fast-twitch muscles with few capillaries or mitochondria
C) predominately slow-twitch muscles with abundant capillaries and mitochondria
D) predominately slow-twitch muscles with few capillaries or mitochondria
E) None of the answer choices is correct.