Implement the caste marriage system. In order to ensure that their privileges and positions would not be disturbed by intermarriage, Brahman and sardili formulated the criteria of caste marriage system. This is a fundamental criterion and outstanding feature of the caste system in ancient India. Under the caste marriage system, intermarriage of people of the same caste is praised, and intermarriage of people of different castes is discriminated against and even punished.

A. 对
B. 错