Which of the following statements is correct regarding FortiGate interfaces and spanning tree protocol? (Choose Two)

A.
Only FortiGate switch interfaces Participate in spanning tree.
B.
All FortiGate interfaces in transparent mode VDOMs participate in spanning tree.
C.
All FortiGate interfaces in NAT/route mode VDOMs Participate in spanning tree.
D.
All FortiGate interfaces in transparent mode VDOMs may block or forward BPDUs.