检索最少有5名职工的每个部门的职工基本工资的总额( )。

A．SELECT 部门号,COUNT(*),SUM(基本工资) FROM 职工; HAVING COUNT(*)＞=5

B．SELECT 部门号,COUNT(*),SUM(基本工资) FROM 职工; GROUP BY 基本工资 HAVING COUNT(*)＞=5

C．SELECT 部门号,COUNT(*),SUM(基本工资) FROM 职工; GROUP BY 部门号 HAVING COUNT(*)＞=5

D．SELECT 部门号,COUNT(*),SUM(基本工资) FROM 职工; GROUP BY 部门号 WHERE COUNT(*)＞=5