阅读下面短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。
A
Last year some groups of students in their community(社区) make a survey about "How do people spend their free time?' The following diagrams (图表) show some results of it．
Diagram (1): Hours for people of different ages who surf the Internet in a week．
Diagram (2): Different days people go to the library．(library attendance)
Diagram (3): Different programs people like．

根据上面三个图表内容，选择正确答案
People aged__________spend the most time surfing the Internet every week．

A．7 ----16

B．17 ------ 30

C．31 ----- 55

D．over 56

On Wednesday, __________people go to the library every week．

A．over sixty

B．less than sixty

C．about twenty

D．more than one hundred

According to the third diagram about ______of people like watching Cartoons?

A．16%．

B．19%

C．13%

D．37%．

Which statement is right according to the survey?

A．Some students made the survey in their school last year．

B．More people like sports than chat in the survey．

C．Less than 80 people join in the survey about library attendance．

D．People of different ages spend different time surfing the Int ernet．

The three diagrams show us the results of the survey about__________．

A．what people do every day

B．how people spend their free time

C．people's different lifestyles

D．people's different habits