Compared to other people, a person who has a "thrifty metabolism" gains weight more easily metabolizes more glucose than fatty acids for energy loses excess food energy in the form of body heat burns three times more fat

Compared to other people, a person who has a "thrifty metabolism" GAINS WEIGHT MORE EASILY.

Thrifty metabolism is characterized by burning few calories for daily activities and leads to obesity. It might sabotage your weight loss plan as it utilizes very less calories. Apart for this there are other factors such as age and sex that also that affect the weight loss program.

The correct answer is c