31. This paragraph says that daydreaming _____.
(A) is undesirable
(B) can have negative effects
(C) lessens a person’s intelligence
(D) has beneficial effects
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統計: A(2), B(18), C(7), D(250), E(0) #908341
統計: A(2), B(18), C(7), D(250), E(0) #908341