What action does an EIGRP router take when it cannot find a feasible successor for a network?

What action does an EIGRP router take when it cannot find a feasible successor for a network?

A.
It examines the routing and neighbor tables for the next best path.

B.
It transitions from active to passive state for that network and queries its neighbors.

C.
It transitions from passive to active state for that network and queries its neighbors.

D.
It examines the topology table for a next best path.