(1) Sitting all day to learn may harm kids in more ways than one. (2) Developing children should move around frequently for the mind as well as the body. (3) Moving around and exploring helps develop a sense of place. (4) By sitting too long, students may underuse their brain that can’t focus well. (5) In a study, children engaged in an aerobic activity for 30 mins performed better in an academic test. (6) Ask your school principal and staff to make recess longer for children.

Which sentence should replace sentence 6 to provide a more effective claim at the end of the introductory paragraph?
Responses
A More children and grown ups should be physically active during the day.More children and grown ups should be physically active during the day.
B Research shows that children who move around more can learn better.Research shows that children who move around more can learn better.
C Children should be allowed to stand and move throughout the school day, like the teachers. Children should be allowed to stand and move throughout the school day, like the teachers.
D If children are allowed to be more active at school, they would do better in classwork as well as tests.

D If children are allowed to be more active at school, they would do better in classwork as well as tests.