With reference to Neem tree, consider the following statements: 1. Neem oil can be used as an insecticide to control overgrowth of certain species of insects and pests. 2. Neem seeds are used in the manufacture of bio-fuels and hospital detergents. 3. Neem oil is used in pharmaceutical industry. Which of the above statement(s) is/are correct?

• A. 1 and 2
• B. only 3
• C. 1 and 3
• D. All of the above