​Alligators More Closely Resemble Lizards Than Birds; However, Alligators and Birds

Multiple Choice

​Alligators more closely resemble lizards than birds; however, alligators and birds have four-chambered hearts, which lizards do not have. In this example, the four-chambered heart is a ____, which indicates that alligators are ____ related to birds than to lizards.

A) ​derived character; more closely
B) ​key innovation; more closely
C) ​derived character; more distantly
D) ​key innovation; not
E) ​homologous structure; more distantly