Shannon's class is studying a unit on health and wellness. Each student has chosen a topic on which to write a short essay. Shannon wants to write about exercise. Which statement would make the best thesis for her paper?
A.
Many people exercise three times a week, so you should too because it's very popular.
B.
Lifting weights is the best type of exercise for people because it increases muscle mass.
C.
Exercise is helpful because it strengthens cardiovascular health and reduces weight.
D.
Even though exercise is not fun, you should do it because the Surgeon General says so.