Which of the following statements are true about malaria in Africa? i. 100 million people in Africa are infected with malaria yearly. ii. Most of the people who die of the disease are adults over age 60. iii. African nations spend billions of dollars each year fighting the disease. A. i. only B. ii. only C. i. and iii. only D. i., ii., and iii. Please select the best answer from the choices provided