Read the following statements carefully.(i) BCG is a triple vaccine, effective against tuberculosis, typhoid and malaria.(ii) Malaria is transmitted by both male and female Anopheles mosquitoes.(iii) Chronic diseases are characterised by drastic long-term effects.(iv) Antibiotics inhibit the bacterial growth by blocking their biochemical pathways.Which two of the above statements are correct?

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