What is the difference between true bearing and relative bearing?

What is the difference between true bearing and relative bearing?

• A. True bearing is measured from magnetic north; relative bearing is measured from true north.
• B. True bearing is measured from the ship's heading; relative bearing is measured from magnetic north.
• C. True bearing is measured from the north (true north); relative bearing is measured from your ship's heading.
• D. True bearing is the bearing to the horizon; relative bearing is the bearing to a target.

Answer: (C)