At which stage of Kohlberg’s moral development do individuals believe that rules should involve mutual agreements and the rights of the individual should be protected ?

Correct option is C

(c) Social contract orientation.
In Kohlberg's theory, the social contract orientation is the stage where individuals view rules as flexible instruments for ensuring mutual benefit. In this stage, people recognize the importance of individual rights and believe that laws and rules should be grounded in mutual agreements and societal welfare, beyond mere obedience to authority or conformity to social norms.