Exam Certified Marketing Cloud Email Specialist topic 1 question 161 discussion

I think " B" is the correct answer & here is the reason for it - ref (https://help.salesforce.com/s/articleView?id=sf.mc_jb_path_optimizer_test_activity.htm&type=5) QUOTE The Holdback feature is only available when you use the Run Once entry schedule type. Change the entry schedule type back to Run Once to activate the journey with a Holdback. If you want to use the Recurring schedule type, you must first change the entry schedule type back to Run Once, then remove the Holdback feature from Path Optimizer before activating your journey. UNQUOTE

A still the best answer?

A. Place a Random Split before Path Optimizer for the pilot group. This option would allow for a specified percentage of the total audience to go through the Path Optimizer, which would test different subject lines on this subset (pilot group). The rest of the audience would not receive anything at this stage. This approach aligns with the requirement of first testing with a pilot group.

A is true