In an effort to reduce the amount of fat and the number of

In an effort to reduce the amount of fat and the number of calories that they consume, many citizens of the United States are making significant changes in
their diets. For them staying in shape and looking fit now take precedence over eating foods that are filling and that taste good. It is likely that if they maintain these new priorities with consistent regard for other health issues, the length and quality of their lives will increase significantly.

Which one of the following is an assumption upon which the argument is based?

A. Eating foods that are filling and tastes good is inconsistent with
staying in shape and looking fit.
B. Controlling the quality of one’s life requires more than mere
dietary adjustments.
C. A combination of diet and exercise is necessary if one wishes to
stay in shape and look fit.
D. Many citizens of the United States have only recently discovered
the importance of diet to living a longer, healthier life.
E. Staying in shape and looking good are current goals for most
citizens of the United States

OA A

Source: Princeton Review