It can be inferred from the passage that if birds started flying millions of years earlier

It can be inferred from the passage that if birds started flying millions of years earlier than scientists previously thought

A．Archaeopteryx can perform. very intricate flying.

B．Archaeopteryx is unlikely to be a prime transitional species between reptiles and birds.

C．fossils of those first flying birds are bound to be excavated soon.

D．a further investigation should be implemented in Archaeopteryx"s anatomy.

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