What is the default behavior in this situation?

You are configuring OSPF on a Junos device; however, you have not configured a router ID.
What is the default behavior in this situation?

A.
If the loopback is configured with a 127/8 address, it will be used.

B.
If the loopback is not configured, it will use the interface with the highest IP address.

C.
If the loopback is configured and does not have a usable address, the IP address associated
with the first hardware interface is used.

D.
If you configure a dedicated management address and include that interface in OSPF, it will be

used as the router ID.

Explanation: