What is a useful number to call at 11am Sunday（）

单项选择题In the paragraph, the writer tries to let us know（）.

A．our bodies need food, or we can’t live
B．eating apples often is a good habit
C．a good diet is of great importance for our health
D．taking extra vitamin pills is completely useless

单项选择题23（）

A．cooked
B．served
C．got
D．made