The correct answer is D. All of these.
The Gya region is a mountainous area in Ladakh, India. It is home to a number of ethnic groups, including the Dards, Mons, and Monglos. The Dards are an Indo-Aryan people who are believed to have migrated to Ladakh from Central Asia in the 1st millennium AD. The Mons are an ethnic group of Tibeto-Burman origin who are believed to have migrated to Ladakh from Tibet in the 7th century AD. The Monglos are an ethnic group of Mongolic origin who are believed to have migrated to Ladakh from Mongolia in the 13th century AD.
The Dards, Mons, and Monglos have all made significant contributions to the culture and history of Ladakh. The Dards are known for their traditional music and dance, while the Mons are known for their weaving and embroidery. The Monglos are known for their horsemanship and archery.
The Dards, Mons, and Monglos have all lived in the Gya region for centuries. They have intermarried and shared their cultures, creating a unique and vibrant society. The Gya region is a beautiful and fascinating place, and its people are warm and welcoming. If you ever have the opportunity to visit Ladakh, be sure to stop by the Gya region and experience its unique culture.