16. According to paragraph 4, which of the following aspects of the plover's behavior gives the appearance that it is frightened?
(A) Abnormal body position
(B) Irregular escape route
(C) Unnatural wing movement
(D) Unusual amount of time away from the nest

答案:登入後查看
統計: A(0), B(7), C(4), D(0), E(0) #803565