Refer to the exhibit Which effect of this configuration is true?

Refer to the exhibit Which effect of this configuration is true?
A. The two routers fail to form a neighbor relationship because they have different IS-IS area types.
B. The two routers successfully form a neighbor relationship.
C. The two routers fail to form a neighbor relationship because the authentication configuration is missing.
D. The two routers fail to form a neighbor relationship because their system IDs are different.