Which of the Following Is a Scientific Statement

Multiple Choice

Which of the following is a scientific statement?

A) Unicorns used to exist because there are paintings of them from years ago.
B) A shark can jump as high as a low flying helicopter as shown in pictures on the internet.
C) Dinosaurs were killed off by a great flood as described in the Bible.
D) According to DNA comparisons, humans share a common ancestor with chimpanzees.
E) Dogs are smarter than cats because it's easier to train them.