B la patogenicidad de un virus
Red because it has more volume and more amount of matter
So we can protect ourselves from the same virus if it attacks again in the future
The correct answer is "letter c. malingering."
Malingering is described as falsifying symptoms of mental or physical well-being of a person to achieve a certain goal, an example is that malingering a certain mental illness or physical illness may be used as a mitigating factor to reduce the sentence of a criminal or to receive special treatment in prison. It may also be used to skip school or work in the military.
D is the best answer
(I am just using my common sense)
Hope I helped :)