Two computer companies, Garnet and Renco, each pay Salcor to provide health insurance for their employees. Because early treatment of high cholesterol can prevent strokes that would otherwise occur several years later, Salcor encourages Garnet employees to have their cholesterol levels tested and to obtain early treatment for high cholesterol. Renco employees generally remain with Renco only for a few years, however. Therefore, Salcor lacks any financial incentive to provide similar encouragement to Renco employees.
Which of the following, if true, most seriously weakens the argument?
A. Early treatment of high cholesterol does not eliminate the possibility of a stroke later in life.
B. People often obtain early treatment for high cholesterol on their own.
C. Garnet hires a significant number of former employees of Renco.
D. Renco and Garnet have approximately the same number of employees.
E. Renco employees are not, on average, significantly younger than Garnet employees.
楼主的思路：
因为R的员工只在公司待很短的时间→S保险公司不劝说R的员工去obtain early treatment
可考虑的削弱方向：
1.他因削弱，因为R的员工自己会去obtain early treatment，所以S保险公司不去劝说
2.G公司雇了很多以前R的员工