I : Winter : : II : Malaria
    I.   [A] Cold  [B] Quilt  [C] Shiver  [D] Wool
   II.   [P] Mosquito  [Q] Quinine  [R] Fever  [S] Epidemic

 

Answer: C. BQ

First provides protection from the second.

Posted in:  Double Analogy -  Analogy -  Verbal Reasoning