How should the administrator troubleshoot this?

Universal Containers has a process to allow an employee to submit a vacation request and route it to the employee’s manager for approval. An employee attempted to submit a request but it could NOT be submitted.

How should the administrator troubleshoot this?
A . Ensure the approval step has an associated action.
B . Ensure the user record has an assigned active manager.
C . Review the system log to determine the root cause.
D . Use workflow to email the administrator if the process fails.

Answer: B