Which sentence could best be used to start the second paragraph?
A.
Sharks are interesting in part because they don't have no bones in their bodies.
B.
Sharks and other fish don't ever actually sleep but have active and inactive times.
C.
Sharks do not generally attack people, and only about 25 species have been known to do so.
D.
Sharks are a fascinating fish that evolved even before the dinosaurs roamed the Earth