A.Your best option would be to have the Network Load Balancing feature installed on every server.Thereafter a second IP address should be assigned to every network adapter.
B.Your best option would be to have two new records created for the Client Access server from the DNS manager.
C.Your best option would be to have a hardware load balancer deployed. Then a DNS record should be created for the virtual IP address. Thereafter a Client Access server array should be configured.
D.Your best option would e to have a new service named Client Access Server created and a new IP address allocated from the Failover Cluster Manager.