The correct answer is D. All of these.
Sumur, Khyagar, and Chomolung are all ancient villages in Ladakh that contain pre-historic settlements. Sumur is a village in the Leh district of Ladakh, India. It is located on the banks of the Indus River, about 100 kilometers from Leh. The village is known for its ancient ruins, which date back to the 1st century BC. Khyagar is a village in the Zanskar district of Ladakh, India. It is located in the Zanskar Valley, about 200 kilometers from Leh. The village is known for its ancient Buddhist monasteries, which date back to the 11th century. Chomolung is a village in the Nubra Valley of Ladakh, India. It is located in the Nubra Valley, about 250 kilometers from Leh. The village is known for its ancient Buddhist monasteries, which date back to the 14th century.
The ancient villages of Sumur, Khyagar, and Chomolung are all important archaeological sites. They provide valuable insights into the history and culture of Ladakh. The villages are also popular tourist destinations.