Which step of the Guided Performance Analysis should you perform in the production system?

Which step of the Guided Performance Analysis should you perform in the production system?
A . Executing a check run with ABAP Test Cockpit (ATC)
B. Collecting data with SQL Monitor (SQLM)
C. Performing an inspection with Code Inspector (SCI)
D. Building a work list with SQL Performance Tuning Worklist (SWLT)

Answer: B