检索最少有4名职工的仓库的职工平均工资（ ）。

A．)SELECT仓库号，COUNT(﹡)AS人数，AVG(工资)AS平均工资FROM职工；

G．ROUP BY仓库号WHERE COUNT(﹡)>=4

B．)SELECT仓库号，COUNT(﹡)AS人数，AVG(1资)AS平均工资FROM职工；

G．ROUP BY仓库号HAVING COUNT(﹡)>=4

C．)SELECT仓库号，COUNT(木)AS人数，AVG(工资)AS平均工资FROM职工；

G．ROUP BY职工号WHERE COUNT(﹡)>=4

D．)SELECT仓库号，COUNT(﹡)AS人数，AVG(工资)AS平均工资FROM职工；

G．ROUP BY职工号HAVING COUNT(﹡)>=4

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