将员工号为1007的员工薪水改为3500 , 职位改为Programmer,下列SQL语句正确的是：（ ）。
Aupdate emp set salary = 3500 and job = ‘Programmer‘ where empno = 1007 ;
Bupdate emp set salary = 3500 ,set job = ‘Programmer‘ where empno = 1007 ;
Cupdate emp salary = 3500 , job = ‘Programmer‘ where empno = 1007 ;
Dupdate emp set salary = 3500 , job = ‘Programmer‘ where empno = 1007 ;