which device will be active when sglondon_1 is back up and running? Why?

In the following cluster configuration; if you reboot sglondon_1 which device will be active when
sglondon_1 is back up and running? Why?

A.
Sglondon_1, because it is up again, sglondon_2 took over during reboot

B.
Sglondon_2 because I has highest IP

C.
Sglondon_2 because it has highest priority

D.
Sglondon_1 because it the first configured object with the lowest IP