10. What does the passage mainly discuss?
(A) The nest-building techniques of
plovers
(B) How predators search for plovers
(C) The strategies used by plovers to
deceive predators
(D) Why plovers are vulnerable to
predators
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統計: A(0), B(2), C(9), D(0), E(0) #803559
統計: A(0), B(2), C(9), D(0), E(0) #803559