The correct answer is: d) Austroasiatic.
The Mizo language is a member of the Austroasiatic language family, which is a large language family that includes over 100 languages spoken by over 100 million people in Southeast Asia, East Asia, and South Asia. The Austroasiatic language family is divided into several branches, including the Munda branch, the Mon-Khmer branch, and the Vietnamese branch. The Mizo language belongs to the Kuki-Chin branch of the Mon-Khmer branch of the Austroasiatic language family.
The Indo-European language family is a large language family that includes over 400 languages spoken by over 3 billion people in Europe, Asia, and Africa. The Indo-European language family is divided into several branches, including the Indo-Aryan branch, the Iranian branch, the Hellenic branch, the Italic branch, the Germanic branch, and the Celtic branch. The Mizo language does not belong to the Indo-European language family.
The Dravidian language family is a large language family that includes over 250 languages spoken by over 250 million people in South Asia. The Dravidian language family is divided into several branches, including the Tamil branch, the Telugu branch, the Kannada branch, the Malayalam branch, and the Brahui branch. The Mizo language does not belong to the Dravidian language family.
The Sino-Tibetan language family is a large language family that includes over 400 languages spoken by over 1.5 billion people in East Asia, Southeast Asia, and South Asia. The Sino-Tibetan language family is divided into several branches, including the Sinitic branch, the Tibeto-Burman branch, and the Karen branch. The Mizo language does not belong to the Sino-Tibetan language family.