问题：

[单选]

Your customer has deployed a Cisco Wireless Location Appliance within its warehouseenvironment.
However， employees there have been experiencing problems when tracking objects using activeRFID tags.You use an access point scan to determine if the Location Appliance has been deployed correctly.
Making which change to warehouse deployment location services will most likely correct theproblem？（）

A . ensure channels are deployed such that they do not overlap
B . allow for the automatic containment of rogue access points
C . ensure each area is covered by a minimum of three access points
D . ensure a minimum RSSI value of -50