What action does the hub take when it receives a NHRP resolution request from a spoke for a network that exists behind another spoke?

A.	The hub sends back a resolution reply to the requesting spoke.
B.	The hub updates its own NHRP mapping.
C.	The hub forwards the request to the destination spoke.
D.	The hub waits for the second spoke to send a request so that it can respond to both spokes.