What does the following command accomplish? Switch(config-mst)#instance 10 vlan 11-12

A.
enables a PVST+ instance of 10 forvlan 11 and vlan 12

B.
creates an Internal Spanning Tree (IST) instance of 10 forvlan 11 and vlan 12

C.
creates a Common Spanning Tree (CST) instance of 10 forvlan 11 and vlan 12

D.
enablesvlan 11 and vlan 12 to be part of the MST region 10

E.
mapsvlan 11 and vlan 12 to the MST instance of 10

F.
starts two instances of MST, one instance forvlan 11 and another instance for vlan 12