Normal speech is regular among people
Heavy snoring occurs with some people (even if they're not under the influence)
Mild fever happens to everyone, not too big of a deal here
Slow & irregular breathing can be a sign of alcohol overdose
I think the correct answer to this question is B. Respiratory Infection.
The answer is D. The presence of oncogenes
Oncogenes is a gene that has potential to cause Cancer. Once it appear on tumor cells, Oncogenes often mutated at a very high level. When the cells critical function altered, they usually undergo a rapid cell death. But once oncogenes activated, those malfunction cells will not undergo rapid cell death, filling our body with malfunctioning cells
