问题详情

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.请帮忙给出正确答案和分析，谢谢！