Directions: Read the passage and answer the questions based on it. Religions - like camel caravans - Seem to avoid mountain passes. Buddhism spread quickly South from Buddha's birth-place in southern Nepal across the flat Gangetic plain to Sri Lanka. But it took a millennium to reach China ________. The religious belt stretched eventually to Mongolia and Japan - but in Afghanistan Buddhism filled only a narrow belt that left pagans among the valleys to the east and west in Kailash and Ghor. Which of the following - if true - would most weaken the conclusion to the above argument?