问题：

[多选] Which two statements best describe spanning-tree BPDU processing for a blocking port？（）

A . BPDUs that enter a blocking port are discarded.
B . BPDUs that enter a blocking port are processed.
C . Loopguard puts an interface into a loop-inconsistent state when BPDUs stop being received on a blocking port.
D . BPDUs are only processed on forwarding ports.