Switch R1 and R2 both belong to the Company VTP domain. What’s true about the switch  operation in VTP domains？（）

• A、A switch can only reside in one management domain
• B、A switch is listening to VTP advertisements from their own domain only
• C、A switch is listening to VTP advertisements from multi domains
• D、A switch can reside in one or more domains
• E、VTP is no longer supported on Catalyst switches