Now more and more young people live together without registration. As a result, due to various reasons, when civil disputes such as property occur, they cannot be legally recognized and protected. Therefore, marriage registration prevents the relationship between the two from breaking down. The role of many unnecessary disputes. Which of the following can best strengthen the above argument. ['modern marriages are becoming increasingly unstable and divorce rates are getting higher.', 'not every pair of unmarried cohabitants will have civil disputes.', 'modern young people value the relationship between men and women more.', 'some non-marital cohabitants later went to get a marriage certificate.']