Which of the following statements in relation to a non-fixed term labour contract is corre
A.It may not be dissolved by an employer under any circumstances
B.It shall be concluded where an employee has worked for the employer for a term of at least five years
C.It is a labour contract in which the employer and employee have agreed not to stipulate a definite end date
D.It may not be dissolved by an employee within ten years after the conclusion of such a labour contract