Which of the following conclusions results in aFALSE statement?

"If an employer is engaged in an industry exempt from Workers Compensation coverage:

Select one:

a.employees injured while working may sue the employer, but if contributory negligence is established, the injured employees will lose the lawsuit."

b.the employer may nonetheless opt in and secure WCB benefits for its workers."

c.employees injured at that employers' workplace may sue the employer and co-workers for injuries they incur while working."