How do you add another approver to an in-progress workflow?

How do you add another approver to an in-progress workflow?
A . Go to Manage Route Map to divert the request to another approver.
B. Go to Auto Delegate to assign a new approver.
C. Go to Manage Organization, Pay and Job structures to add an approver to the workflow configuration.
D. Go to Manage Workflow Request to insert a new approver.

Answer: D