Final answer:
A physician can extend the time a member can remain on POD sick leave.
Step-by-step explanation:
The correct answer is C) Physician.
A physician is the person who can extend the time a member can remain on POD sick leave. A physician's role in evaluating and determining the length of sick leave is crucial for the member's health and recovery. They consider the nature of the illness or injury, the recommended treatment plan, and the member's progress before making a decision on extending the sick leave.