求至少有4个职工的每个仓库的工资总和( )。
A. SELECT 仓库号,COUNT(*)，SUM(工资) FROM 职工;WHERE COUNT(*)＞=4
B. SELECT 仓库叼,COUNT(*),SUM(工资) FROM 职工;GROUP BY 仓库号 SET COUNT(*)＞=4
C. SELECT 仓库号,COUNT(*),SUM(工资)FROM 职工;GROUP BY 仓库号 HAVING COUNT(*)＞=4
D. SELECT 仓库号,COUNT(*),SUM(工资) FROM 职工;GROUP BY 仓库号 WHERE COUNT(*)＞=4