问题：

[单选]

After logging into the WCS wireless management server，the administrator is presented with the initial home page showing the network summary.there are four main menu choices across the top horizontal secreen.what is the purpose of the location menu choice？（）

A . to configure the location and addition of a wireless lan controller（WLC） using an ip address. 
B . to enable the ：on demand” location of a single rogue AP or rogue client.
C . to configure the communication with a location appliance.
D . to configure the location and addition of a wireless access point using an ip address.