Caleb Is 4 Years Old and Just Can't Seem to Sit

Caleb is 4 years old and just can't seem to sit still. He talks nonstop and has trouble waiting in lines with his parents and peers. In an effort to reduce their stress, Caleb's parents have taken the child to the doctor and are prescribed Vyvanse, a ______ that ______.

A) stimulate; is proven to have no negative consequences
B) sedative; works like Benadryl to calm the child
C) stimulate; has unknown effects on the developing brain
D) sedative; can have many negative effects on the brain