In the question, "Truck A is heavier than truck C, which is 2 tons. Truck B is heavier than truck D. If two truck B's make one truck A, which truck is the heaviest?" What information is extra? (A) The weight of truck C (B) The length of truck B (C) The information of truck A (D) None of these (Level: *)
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  on 17/12/16
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