36. According to the passage, why were many beavers killed in the last few hundred years?
(A) They had greatly damaged human beings’ living environment.
(B) They were thought of as evil creatures by many Europeans.
(C) Their teeth were precious.
(D) Their fur was very valuable.
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統計: A(41), B(33), C(35), D(105), E(0) #3060418
統計: A(41), B(33), C(35), D(105), E(0) #3060418