Consider the following statements with regard to the doctrine of the basic structures of the Constitution: 1. Amendment procedure is unamendable. 2. Rights and freedoms, unless incorporated in the Constitution, do form part of the basic structures. 3. Any clause which is a part of the Constitution constitutes its basic structures. 4. The courts, especially the Supreme Court, know what constitutes the basic structures of the Constitution. Select the code with the correct statements.

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