OE:
The paragraph is essentially saying that if we kill every malarial mosquito, then once the last such mosquito is killed, we have effectively eradicated malaria.
(A) exposes the flaw in this plan. Since a person can carry malaria for up to 40 days, all they have to do is infect a non-malarial mosquito, and the whole process starts over again.
(B) just describes the typical transmission of malaria. It does not relate to the plan in the paragraph.
(C) is wrong. What health workers believe
...
The paragraph is essentially saying that if we kill every malarial mosquito, then once the last such mosquito is killed, we have effectively eradicated malaria.
(A) exposes the flaw in this plan. Since a person can carry malaria for up to 40 days, all they have to do is infect a non-malarial mosquito, and the whole process starts over again.
(B) just describes the typical transmission of malaria. It does not relate to the plan in the paragraph.
(C) is wrong. What health workers believe
...






