Isabel tells her friend that people should not commit murder or engage in robbery because such crimes are wrong. She says that people should follow the rules set by society. According to Lawrence Kohlberg's theory of moral reasoning, Isabel is most likely at the of moral reasoning.

D) conventional level

Explanation:

Kohlberg's divide moral reasoning into several levels and step. Moral reasoning is the basis of thought used by someone when facing a moral dilemma. The first level is pre-conventional where the individual does things that interest themself. The second level is the conventional level when they start considering how society view as right or wrong. Post-conventional is the third level where the individual has their personal moral reasoning.

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