Consider the following statements:1. Tides are of great help in navigation and fishing2. High tide enables big ships to enter or leave the harbour safely3. Tide prevents siltation in the harbours4. Kandla and Diamond Harbour are tidal ports Which of these statements are correct?

• A. and 4
• B. , 3 and 4
• C. , 2 and 3
• D. , 2, 3 and 4