What Is One Reason Why Weight-Loss Pills Are Not Very

Multiple Choice

What is one reason why weight-loss pills are not very effective in most cases?​

A) People who take the pills feel less obligation to control their diet.
B) ​The pills become effective only after someone takes them for months or years.
C) ​The pills dissolve slowly in the digestive system and enter the blood slowly.
D) ​Most overweight people gained weight for genetic reasons.