Which SCF command is used to trace IP application data in a SUBNET object trace?

A.
TRACE SUBNET #EN1,TO TRACEFL,RECSIZE 750, SELECT LOGIC

B.
TRACE SUBNET #EN1,TO TRACEFL,RECSIZE 500,SELECT (ARPI,ARPO)

C.
TRACE SUBNET #EN1,TO TRACEFL,RECSIZE 750, SELECT (IPI,IPO,USERDATA)

D.
TRACE SUBNET #EN1,TO TRACEFL,RECSIZE 750, SELECT (IPI,IPO)