You are configuring your Microsoft System Center Virtual Machine Manager （VMM） 2008 R2 environment. A VMware ESX 3.5 host server named Host1 is added to the existing VMware Infrastructure 3 （VI3） environment that you manage by using VMM. You need to add Host1 to your VMM environment. What should you do？（）

A. In the Computer name field of the Add VMware VirtualCenter server dialog box， type the fully qualified domain name （FQDN） of Host1.
B. In the Computer name field of the Add VMware VirtualCenter server dialog box， type the fully qualified domain name （FQDN） of the VMware VirtualCenter server that manages Host1.
C. In the Add Hosts wizard， select the VMware ESX Server host （any location） option. In the Computer name field， type the fully qualified domain name （FQDN） of Host1.
D. In the Add Hosts wizard， select the VMware ESX Server host （any location） option. In the Computer name field， type the fully qualified domain name （FQDN） of the VMware VirtualCenter server that manages Host1.