Answer:
a. Participants who do not exercise are not able to achieve their full weight loss goals.
Step-by-step explanation:
The statement in option (a) is true as it supports the argument provided above.
It is given that participants are asked to follow a strict diet programs to loose weight. They are asked to limit their amount of calories through the food they eat or limits the type of food they eat. Now in order to see positive results of this program, the participants also need to exercise a moderate amount.
Thus when the participants do not exercise and only follow the diet plans are not able to achieve their full weight loss goals.