【单选题】Once found almost entirely in the western United States and in As. ia, dinosaur fossils are now being discovered on all seven continents. A host of new revelations emerged in 1998 that promise to resh...
A.
Tyrannosaurus Rex had lips and Triceratops had cheeks.
B.
dinosaurs might have looked like mammals such as sheep.
C.
dinosaurs might not have looked like what we thought.
D.
dinosaurs must have looked like birds or crocodiles.