Why Did the Founders Believe the Government Could Not Infringe

Why did the Founders believe the government could not infringe upon those rights that are now listed in the Bill of Rights of the Constitution?

A) They believed any government that felt the need to infringe upon those rights would eventually create an unfair system of governance.
B) They thought that a central government was likely to infringe upon any and all freedoms without them being expressly written down.
C) They believed that those rights were inherent, with or without a government, so they could not be given or infringed upon by a government.
D) They knew that the rights listed were standard to every other government and should be protected in their new government as well.