(B) Diamond Sutra — The image shows an old printed religious manuscript with East-Asian vertical script, which identifies it as the Diamond Sutra, the world's oldest known printed book.
The Diamond Sutra (868 AD) is a Chinese Buddhist scripture and the oldest dated printed book, featuring vertical columns of Chinese script — matching the image description. The Korean Jikji is Korean movable type, and Tripitaka Koreana is woodblock-carved, not a single manuscript page. Note: The source passages provided are unrelated to this question; the answer is based on general CBSE History (Class 10, Chapter 5 — Print Culture and the Modern World) knowledge.