What should the BA do to prevent the session from being derailed?

The business analyst (BA) on the Salesforce development team at Northern Trail Outfitters is leading a requirements elicitation workshop about the process for onboarding new wholesale partners. While whiteboarding the process, one stakeholder continuously interrupts and points out inefficiencies with invoicing and delivery processes.

What should the BA do to prevent the session from being derailed?
A . Shift the conversation from onboarding to the stakeholder’s concerns.
B . Ask the stakeholder to focus on the onboarding process.
C . Add the stakeholder’s concerns to a "parking lot" for further discussion.

Answer: C