In hot summer and cold winter, the number of malaria cases as well as Anopheles declines, reappearance of malaria in humid warm conditions is due to

Options

A. surviving malarial parasites in human carriers
B. surviving sporozoites in surviving mosquitoes
C. monkeys
D. mosquito larvae in permanent waters

Answer

D

Explanation

The reappearance of malaria in humid warm conditions is due to the mosquito larvae in permanent waters.