Answer:
A. Heart attack
Explanation:
Tim is likely suffering from heart attack. Although not everybody has the same intensity, or even any warning signs, and they suddenly have a heart attack, however,<em> these symptoms (chest pain and difficulty breathing) are among some that occur when someone is having a heart attack. The other </em>symptoms are fadigue, nausea, etc.
Weight Gain
nutritional imbalance
cause gastrointestinal problems
Again, I really Hope I've helped you!