The correct answer is: C. Balti
Chorbat is an important dialect of the Balti language. It is spoken in the Baltistan region of Gilgit-Baltistan, Pakistan. The Balti language is a member of the Indo-Aryan language family, and is closely related to Ladakhi and Purig.
Ladakhi is a language spoken in Ladakh, a region in the Indian state of Jammu and Kashmir. It is a member of the Indo-Aryan language family, and is closely related to Balti and Purig.
Purgi is a language spoken in the Purig region of Ladakh, India. It is a member of the Indo-Aryan language family, and is closely related to Ladakhi and Balti.
None of these is the correct answer.