Most people think that the idea of change is ______.

A．You can enjoy your favorite foods but don't eat too much.
B．You must not throw away the foods you enjoy, for it is reasonable.
C．You shouldn't refuse anything you like and eat it as much as possible.
D．You ought to accept what you enjoy and refuse what you don' t.

A．how to follow a healthy diet during a holiday
B．how to control your foods during a holiday
C．how to maintain your normal weight during a holiday
D．how to maintain physical activity during a holiday