China is the world’s largest cigarette market over 30% of the total world consumption.A.

问题补充：

China is the world’s largest cigarette market, over 30% of the total world consumption.

A. accounting for

B. adding up to

C. consisting of

D. contributing to

答案：

(答案→)A. accounting for

B. adding up to

C. consisting of

D. contributing to

解析：accounting for 数量等占...adding up to 达到；consisting of 组成；contributing to贡献，句意是中国是世界上最大的烟草市场，超过世界总消费量的30%。故选A。