Which of the Following Is a Negative Side Effect of the Employee

Which of the following is a negative side effect of the Employee Retirement Income Security Act?

A) It has made the provision of benefit plans more costly for employers.
B) It has allowed employers to discriminate against certain employees in their determination of eligibility for pension benefits.
C) It has caused many employees to lose their benefits when their companies undergo management reorganizations.
D) It has caused employees to lose their benefits when they become sick and are forced to quit their job prior to the time at which their pension rights vest.