Which of the following statements (s) is/are incorrect? (i) The AV node and the bundle of His constitute the electrical link between the atria and the ventricles. (ii) The bundle of His is a bundle of electrical nodes which allows the ventricles to contract. (iii) The bundle of His is a group of fibres that carry the electrical impulses through the centre of the heart. (iv) The bundle of His is located in the arterial region.

• A. (ii), (iii) and (iv) 
• B.                    (i), (iii) and (iv)
• C. (i), (ii) and (iv)   
• D.                    (i), (ii) and (iii)