题目选项分析

The tobacco industry is still profitable and projections are that it will remain so. In the United States this year,the total amount of tobacco sold by tobacco-farmers has increased, even though the number of adults whosmoke has decreased.

Each of the following, if true, could explain the simultaneous increase in tobacco sales and decrease in thenumber of adults who smoke EXCEPT:

【选项】More of the cigarettes made in the United States this year were exported to other countries than was the case last year.