Based on the information in "Write On: How Paper Got Its Start" and "Origami: An Ancient Art," why might paper have been so expensive in Japan when orlgami was first introduced to the country? O A. Ts'al Lun had not yet invented what we know today as paper. OB. There were only a few paper-making companies in Japan at the time. O C. In the 6th and 7th centuries, the Chinese were the only people making paper. OD. The Japanese had to buy all their paper from the Middle East.​