Why didn’t I do the job().

A.Because it would be too time-consuming.

B.Because I wanted to do it myself.

C.Because nobody had done it before.

D.Because nobody joined me.

经用人单位A和劳动者B协商一致，B从A的市场营销人员调整为生产人员，这将引起A和B之间劳动法律关系的（）.

A.产生

B.变更

C.消灭

D.不发生任何变化