What Is True for a Virtual IP Address in the Context

What is true for a virtual IP address in the context of keepalived?

A) The distinct IP addresses of all backend servers are called virtual IP addresses.
B) Every server running keepalived has exactly one virtual IP address and cannot have any additional virtual IP addresses.
C) The virtual IP address is the address to which incoming connections are made in order to reach the load balancer.
D) keepalived uses VRRP to ensure the availability of the virtual IP address.
E) Within the whole LVS cluster managed by keepalived, the virtual IP address never appears on any network interface.