When you add a VMM domain to an EPG in ACI, it seems that the host that is connected to the APG-port group cannot communicate with its default gateway that is configured on the EPG. Which reason for this behavior is true? 

Answer options:

A. The configuration is not committed.
B. A contact blocks the communication from the host to its default gateway.
C. The VLAN is blocked in the fabric interconnect.
D. The VLAN to which the EPG belongs is not configured on the uplink from the fabric interconnect to the Cisco UCS.

D