37. According to this passage, how do pangolins behave?
(A) They frequently tidy their dense fur.
(C) They use tails to attack predators.
(B) They are active mostly in the daytime.
(D) They have weak social bonds.
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統計: A(0), B(0), C(0), D(1), E(0) #3364251
統計: A(0), B(0), C(0), D(1), E(0) #3364251