The language used in Yakshagana performances:

Kannada
Tulu
Konkani
Sanskrit

The correct answer is: A) Kannada

Yakshagana is a traditional form of dance-drama that originated in Karnataka, India. It is performed in the Kannada language and is known for its elaborate costumes, makeup, and music. Yakshagana performances typically tell stories from Hindu mythology or epics.

Tulu is a language spoken in the coastal districts of Karnataka and Kerala. It is a Dravidian language and is closely related to Kannada. Tulu is not used in Yakshagana performances.

Konkani is a language spoken in the Konkan region of India. It is an Indo-Aryan language and is closely related to Marathi. Konkani is not used in Yakshagana performances.

Sanskrit is an ancient language that is no longer spoken as a mother tongue. It is used in Hindu religious texts and is also the language of classical Indian dance and music. Sanskrit is not used in Yakshagana performances.