What is the main problem with this conclusion paragraph? Thesis statement:

Students in middle school should be allowed to use study hall periods however they choose.
Main points:

• If students have homework, they can choose to do it.

• Students who need some quiet time can relax (or draw or listen to music, for example)

• The school can maintain a calm, quiet environment.

Conclusion:
As you can see, there are many reasons to allow students to freedom to choose how they spend study hall periods. Well they may decide to do homework, they are old enough to know when they just need a break. This is an easy change that would bring great benefit to Hoover middle school.

A. It does not restate the thesis.

B. It is missing one of the main points.

C. It adds new information.

D. It does not have a satisfying close.