If you wished to write a paragraph pointing out the ways in which alligators and crocodiles are different, what would make the best opening sentence?

A) Crocodiles have been known to eat many more people.
B) Alligators and crocodiles both can be found in the state of Florida.
C) Alligators have a "U"-shaped face, while crocodiles' faces are "V"-shaped.
D) Some people think that alligators and crocodiles are the same, but in fact there are many differences between the two species.