The correct answer is: a) Men only.
Khuallam is a traditional dance of the Hmong people of Southeast Asia. It is a courtship dance that is performed by men only. The dance is characterized by its intricate steps and its use of props, such as swords and fans. Khuallam is often performed at weddings and other special occasions.
Option b) is incorrect because Khuallam is traditionally performed by men only.
Option c) is incorrect because Khuallam is traditionally performed by men only, not mixed groups.
Option d) is incorrect because Khuallam is traditionally performed by adults, not children.