It is normally 100-120 so it is the first option. I hope this helps you.
To start off a is something you should not even think of doing because you can die, for b that's not a good spot as in there can be extra skin coming from the chin, for c you are getting close but as your neck goes to your torso it gets bigger, D is the correct answer as you would get the most accurate measurement its not to close to the chin or your torso.<span />
A. Shock, realization, acknowledgment
Anorexia in this case because it connects mostly to your heart and cardiac.
it can be a sign of depression /mental health disorder