Which spanning-tree command would cause a PortFast-enabled interface to lose its PortFast-operational status and disable BPDU filtering if it receives BPDUs?()
A、spanning-tree guard root
B、spanning-tree portfast bpduguard default
C、spanning-tree bpduguard enable
D、spanning-tree bpdufilter enable
E、spanning-tree portfast bpdufilter default