16. According to the passage, it can be inferred that which of the following birds conceal their nest?
(A) Bonaparte's gulls
(B) Atlantic puffins
(C) Kittiwake gulls
(D) Northern gannets
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統計: A(13), B(1), C(1), D(0), E(0) #803415
統計: A(13), B(1), C(1), D(0), E(0) #803415