Some paleontologists claim that the discovery of what appear to be feathers in the fossil
A.require scholars to credit birds with a far earlier origin than previously thought
B.scholars may be required to credit birds with a far earlier origin than previously thought
C.require a crediting by scholars of birds with a far earlier origin than previously thought
D.compared to what was previously thought, require scholars to credit birds with a far earlier origin
E.crediting birds with a far earlier origin than scholars had previously thought