Answer:
Option B, Madison gains weight steadily from snacking.
Step-by-step explanation:
In the description it is mentioned that mother of Madison, always crib about her weight and call herself fat. This means that she is careful about her weight and hence definitely must be concerned about her food intakes. If she has assured that Madison must take healthy food then this would have been due to Madison getting fat from unhealthy snacks or food.
Hence, her mother had made her to follow strict healthy diet plan where she is avoiding all unhealthy foods (such as snacks)
hence,option B is correct.