In Gandania, where the government has a monopoly on tobacco sales, the incidence of smoking-related health problems has risen steadily for the last twenty years. The health secretary recently proposed a series of laws aimed at curtailing tobacco use in Gandania. Profits from tobacco sales, however, account for ten percent of Gandania's annual revenues. Therefore, Gandania cannot afford to institute the proposed laws.
Which of the following, if true, most seriously weakens the argument?
In Gandania, where the government has a monopoly on tobacco sales, the incidence of smoking-related health problems has risen steadily for the last twenty years. The health secretary recently proposed a series of laws aimed at curtailing tobacco use in Gandania. Profits from tobacco sales, however, account for ten percent of Gandania’s annual revenues. Therefore, Gandania cannot afford to institute the proposed laws. Which of the following, if true, most seriously weakens the argument? A. All health care in Gandania is government-funded. B. Implementing the proposed laws is not likely to cause a significant increase in the amount of tobacco Gandania exports. C. The percentage of revenue Gandania receives from tobacco sales has remained steady in recent years. D.  rofits from tobacco sales far surpass any other single source of revenue for the Gandanian government. E. No government official in Gandania has ever previously proposed laws aimed at curtailing tobacco use.
In each of the past five years, Barraland’s prison population has increased. Yet, according to official government statistics, for none of those years has there been either an increase in the number of criminal cases brought to trial, or an increase in the rate at which convictions have been obtained. Clearly, therefore, the percentage of people convicted of crimes who are being given prison sentences is on the increase.
most seriously weakens the argument 这道题 也不明白 谁能解释一下 这题在讲什么呢 结论是什么