Left, a cylinder containing two rows of engravings. Right, the cylinder's scenes rolled out into a sheet. The picture above shows a , which was first used between 3300 and 3100 BCE in order to ensure that no unauthorized person could gain access to whatever was being sealed. A. Stylus seal c. Cylinder seal b. Cuneiform seal d. Sumerian seal Please select the best answer from the choices provided A B C D.