This sign is displayed on the approach to a bridge or tunnel. You should:

• A. Only proceed if your loaded vehicle is less than the maximum legal height of 4.3 metres.
  Explanation:

  "Proceeding with a load taller than this may mean your load hits the bridge."
• B. Only proceed if your loaded vehicle is less than 4.4 metres wide.
• C. Only proceed if you think your loaded vehicle can pass through.