What cluster mode is represented in this case?

What cluster mode is represented in this case?
1). (local) 172.168.1.1 100$ active
2). 172.14*.1.2 0$ standby

A.
Load Sharing (multicast mode)

B.
HA (New mode).

C.
3rd party cluster

D.
Load Sharing Unicast (Pivot) mode

Explanation: