Which command initiates a packet trace for all PPP packets on interface atm 6/1.33?

A.
log filter debugpppPacket atm 6/1.33

B.
logseverity debug pppPacket atm 6/1.33

C.
log filter debug categorypppPacket atm 6/1.33

D.
logseverity debug category pppPacket atm 6/1.33