43. According to the passage, why is fog a danger to drivers?
(A) It comes with rain.
(B) It cuts down visibility.
(C) It affects road condition.
(D) It causes the breakdown of cars.
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統計: A(2), B(13), C(6), D(1), E(0) #1888583
統計: A(2), B(13), C(6), D(1), E(0) #1888583