Using Darwin's Inferences, Which Population Would Be Most Similar to Lizards

Multiple Choice

Using Darwin's inferences, which population would be most similar to lizards on a dry, sandy island?

A) lizards in the rainforest on the mainland 20 miles away
B) lizards on a rainforest island 200 miles farther out to sea
C) lizards on a dry, sandy island 500 miles farther out to sea
D) tortoises on the same dry, sandy island