39. According to the passage, why do some people NOT agree with ads on the school buses?
(A) Teachers may ignore the students’ safety.
(B) Bus drivers may drive inattentively.
(C) Children may become violent.
(D) School campus may become dirty.
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統計: A(56), B(462), C(130), D(41), E(0) #660030
統計: A(56), B(462), C(130), D(41), E(0) #660030