The correct answer is: B. Kashmir
Pashmina is a type of cashmere wool that is made from the undercoat of the Changthangi goat. It is a very fine and soft wool that is used to make high-quality clothing, such as shawls, scarves, and sweaters.
Kashmir is a region in the Indian subcontinent that is known for its production of Pashmina. The Pashmina wool that is produced in Kashmir is considered to be the finest in the world.
The Silk Route was a network of trade routes that connected China to the Middle East and Europe. The route was used to transport goods, such as silk, spices, and gold. Pashmina was one of the goods that was traded along the Silk Route.
The other options are incorrect because they are not places that are known for the export of Pashmina. Xinjiang is a province in China, Ladakh is a region in India, and Tibet is a region in China.