Employee Weingarten Rights Established Which of the Following

Employee Weingarten rights established which of the following?

A) Employers may not deny a nonunion worker's request for representation during an investigatory hearing.
B) Union employees have the right to have a union representative present at an investigatory interview.
C) Employees have the right to consult with an attorney post-discipline.
D) Employers have the right to deny the presence of a co-worker in an investigatory interview.