Which of the Following Statements Is True of Unions

Which of the following statements is true of unions?

A) They represent all employees in the bargaining unit, including those who are nonunion.
B) They represent only those members of a bargaining unit who pay dues.
C) They can by sued only by the employees for a breach of contract and not by the employers.
D) They cannot represent those who are nonunion in bargaining.
E) They can sue a union member for not bargaining individually when represented by the union.