When the network is stable, which of the following statements are correct?

As shown in the figure below, the switch starts the STP protocol.

When the network is stable, which of the following statements are correct? (Multiple Choice)
A . SWB is the root bridge in this network
B . SWA is the root bridge in this network
C . Both ports of SWB are in Forwarding state.
D . Both ports of SWC are in Forwarding state.

Answer: BC