What is the reason that no C-Series servers can access Fibre Channel storage from this Cisco Nexus 554SUP switch?

What is the reason that no C-Series servers can access Fibre Channel storage from this Cisco
Nexus 554SUP switch?

A.
Zoning mode mis-match with the MDS 9124

B.
There are no active Fibre Channel interfaces

C.
VSAN mis-match on Fibre Channel interfaces

D.
None of the virtual fibre channel interfaces are configured