只要大气中SO2浓度不超过一定的限度，则植物叶片不会受害，并能不断地吸收大气中的SO2，所以植物是大气的天然“（）”。

A. Create a domain local group named Customer Relations in the northwindtraders.com domain. Add the Sales group and the Sales Managers groups to the Customer Relations group. Add the Customer Relationships group to the Customer Information folder. Assign the appropriate permissions. Add the accounts for the sales department users in Boston to the Boston Customer Relationship group. Add the Boston Customer Relationships group to the Customer Relations group. Disable inheritance on the Payment folder
B. Create a domain local group named Customer Relations in the boston.northwindtraders.com domain. Add the Customer Relations group to the Customer Information folder. Assign the appropriate permissions. Add the Boston Customer Relations group to the Customer Relations group. Disable permission inheritance on the Payment folder
Create a domain local group named Customer Relations in the boston.northwindtraders.com domain. Add the Customer Relations group to the Order History folder. Assign the appropriate permissions. Add the Boston Customer Relations group to the Customer Relations group. Disable permission inheritance on the Payment folder
D. Create a domain local group named Customer Relations in the boston.northwindtraders.com domain. Add the Customer Relations group to the Customer Information folder. Assign the appropriate permissions. Add the Boston Customer Relations group to the Customer **MISSING**