【单选题】When most people think about changing their body shape,they usually focus on just losing weight. Books and magazines about dieting are among the most popular in the world. Dieting is an important part...
A.
Dieting is about changing one's eating habits.
B.
Dieting does not necessarily mean eating less than one used to.
C.
Dieting does not necessarily mean losing weight.
D.
Losing weight is bound to cause great health problems.