According to the Apostle Paul's writings, particularly in Romans, what is the primary purpose of the Law (Torah) after the coming of Christ?

A To provide a continuing path to righteousness for those who diligently follow it. B To serve as a guide for believers on how to live a morally upright life, independent of faith. C To reveal the exceeding sinfulness of sin and lead people to recognize their need for Christ. D To maintain social order and prevent societal collapse among the Jewish people.