What will allow Node 0 to regain primacy of RG 1?

In the exhibit, Node 0 had primacy of RG 1 until interface ge-0/071 failed. Upon restoration of interface ge-0/0/1 Node 1 retained primacy for RG 1

What will allow Node 0 to regain primacy of RG 1?

A.
Add the preempt parameter.

B.
Add the acquire parameter.

C.
Increase the gratuitous ARP threshold.

D.
Decrease the hold-down interval.