Please identify the type of thesis used by the author in the conclusion to re-emphasized the main thesis (“But our campus shouldn’t allow them to move in. Students need to recognize that the difference between the services’ definition of “learning” and the real learning experiences college can provide is of notable importance.).

A、Thesis of fact

B、Thesis of value

C、Thesis of cause and effect

D、Thesis of policy

正确答案：Thesis of policy