The correct answer to this question is C, Slippery slope. When an argument is based on unsound logic, that argument is called a fallacy. There are many examples of fallacies, and Slippery Slope is one of them. A slippery slope is when one argues that small actions will lead to consequences that are not logical.
An example is if a parent argues, "If the child picks dinner, they will feel they can pick their doctors." It is not logical for a parent or guardian to conclude that if a person picks dinner, that they would feel enough power to choose their doctor.