The Employees at Don's Ice Palace,an Ice Skating Complex,feel That

The employees at Don's Ice Palace,an ice skating complex,feel that they are not being treated fairly.They consequently want to become unionized,in the hope of pressuring the company into providing better pay and working conditions.The International Brotherhood of Ice Makers (IBIM) and the United Snow and Ice Workers (USIW) are both organizations interested in representing the employees.Which of the following statements is TRUE?

A) IBIM and USIW are both hoping to become the appropriate bargaining unit .
B) The employer has an absolute right to decide whether IBIM or USIW represents the employees.
C) Regardless of where these facts take place,the employees must choose their union through a secret ballot vote.
D) Once the employees have chosen their representative,Don's Ice Palace will be classified as a certified bargaining agent.
E) Once the employees have chosen which union they wish to belong to,that union will be the certified bargaining agent.