KD的GMAT疑惑之逻辑005

In Gandania, where thegovernment has a monopoly on tobacco sales, the incidence of smoking-relatedhealth problems has risen steadily for the last twenty years. The healthsecretary recently proposed a series of laws aimed at curtailing tobacco use inGandania. Profits from tobacco sales, however, account for ten percent ofGandania’s annual revenues. Therefore, Gandania cannot afford to institute theproposed laws.

Which of the following, iftrue, most seriously weakens the argument?

A.  Allhealth care in Gandania is government-funded.

B.   Implementingthe proposed laws is not likely to cause a significant increase in the amountof tobacco Gandania exports.

C.  Thepercentage of revenue Gandania receives from tobacco sales has remained steadyin recent years.

D.  Profitsfrom tobacco sales far surpass any other single source of revenue for theGandanian government.

E.   Nogovernment official in Gandania has ever previously proposed laws aimed atcurtailing tobacco use.