Which statement about VLAN operation on Cisco Catalyst switches is true?

Which statement about VLAN operation on Cisco Catalyst switches is true?

A.
When a packet is received from an 802.1Q trunk, the VLAN ID can be determined from the
source MAC address and the MAC address table.

B.
Unknown unicast frames are retransmitted only to the ports that belong to the same VLAN.

C.
Broadcast and multicast frames are retransmitted to ports that are configured on different
VLAN.

D.
Ports between switches should be configured in access mode so that VLANs can span across
the ports.