Answer:
Infectious mononucleosis - also called "mono" or "the kissing disease" - is an acute infection of the lymphatic system caused by the Epstein-Barr Virus (EBV). It is usually characterized by fatigue, fever, sore throat, and swollen glands in the neck.
Explanation:
I think it’s D most likely.
alot of peoples weight problems is the amount that they eat not so much what they eat so he could not get so much and eat little bits at a time