Wheeled tractors are replacing crawler tractors because1. Wheeled tractors travel faster.2. Crawler tractors are more expensive.3. Track parts of a crawler wear out quickly.4. Crawler tractors have stick control.of following statements

• A. 1, 3 and 4 are correct
• B. 2, 3 and 4 are correct
• C. 1, 2 and 3 are correct
• D. 1, 2 and 4 are correct