问题详情

Which of the following statements about labour contracts is correct？
A.All labour contracts shall include a probation clause
B.The probation period in any labour contract shall not be shorter than three months
C.An employer may dissolve the labour contract during the period of probation
D.The probation period in any labour contract shall not exceed 12 months请帮忙给出正确答案和分析，谢谢！