Scenario 14.2 Calendars "R" Us Ltd. Produces Calendars for Middle and High

Scenario 14.2
Calendars "R" Us Ltd. produces calendars for middle and high schools in Ontario. Calendars "R" Us started back in 2006 and today has over 60 employees. About two years ago, the employees organized and obtained union certification. To date, the union has not successfully negotiated a collective agreement. Employees are not happy with the progress the union has made, and much of the concerns they have had (wages, benefits, training, etc.) have not been addressed. Calendars "R" Us employees feel that the union is more interested in serving the needs of the company and are looking to find a replacement.
-Refer to Scenario 14.2. Calendars "R" Us employees want to change their union. Before they can decertify, all of the following must be in place EXCEPT which one?

A) determine whether bargaining was done in good faith
B) determine whether the union has failed to bargain
C) determine whether employees want to be represented by another union
D) decision by the majority of bargaining unit members that they do not want to be represented by the union