Question

In 2002, the fossil of a four-winged dinosaur was discovered in China and named a microraptor. What was the significance of the discovery?


A.It supported the idea that flight evolved from the ground up.


B.It allowed scientists to reach a conclusion about the origin of flight.


C.It enabled scientists to develop theories about the origin of flight.


D.It provided clues for scientists to develop a hypothesis about the origin of flight.