Paper produced every year is the world’s production of vehicles.
A. the three times
B. three times the weight of
C. as three times heavy as
D. three times as heavier as
网友回答
A. the three times
(答案→)B. three times the weight of
C. as three times heavy as
D. three times as heavier as
解析：把表示倍数的词放在the weight of前，意思是“……重量的三倍。”