According to the author ………..    

Câu hỏi: According to the author ………..    

A Another mid- survey of bald eagles was published in 1984

B The lower 48 states of the USA published another survey of bald eagles in 1983.

C The 1984 survey of bald eagles was not as complete as the earlier one.

D The result of the two surveys of bald eagles were contradictory.