Answer:
I believe it is C
Explanation:
Cholesterol is a waxy, fat-like substance that’s found in all cells of the body. Your body needs some cholesterol to make hormones, vitamin D, and substances that help you digest foods. Your body makes all the cholesterol it needs. However, cholesterol also is found in some of the foods you eat. High levels of cholesterol in the blood can increase your risk of heart disease.
Fear of children. Ped/o means child so any medical term with that in it has to do with kids.
D...a lack of interest in activities that used to be important to him or her.
Excitatory neurotransmitter? This question is too vague.