The areas of fatigue failure in a part may be in the1. region having slow growth of crack with a fine fibrous appearance.2. region having faster growth of crack with a fine fibrous appearance.3. region of sudden fracture with a coarse granular appearance.4. region of gradual fracture with a coarse granular appearance.Select the correct answer using the code given below:

• A. 2 and 3
• B. 2 and 4
• C. 1 and 4
• D. 1 and 3