The correct answer is: A. Depsang Plains
The Depsang Plains are a high-altitude plateau in the Ladakh region of India. They are located in the Aksai Chin area, which is a disputed territory between India and China. The Depsang Plains are a strategically important area, as they lie on the main road between Leh and Kashgar.
The Saser Pass is a mountain pass in the Ladakh region of India. It is located in the Karakoram Range, and is the highest motorable road in the world. The Saser Pass is not a disputed territory.
The More Plains are a high-altitude plateau in the Ladakh region of India. They are located in the Zanskar Range, and are not a disputed territory.
The Rupshu Valley is a valley in the Ladakh region of India. It is located in the Zanskar Range, and is not a disputed territory.
The Depsang Plains are a disputed land lying in the Aksai Chin area. The Aksai Chin is a high-altitude plateau in the Ladakh region of India. It is located in the Karakoram Range, and is claimed by both India and China. The Depsang Plains are a strategically important area, as they lie on the main road between Leh and Kashgar.