What is one relationship between the section "What Is Abuse?" and the section "How To Leave An Unhealthy Relationship." A "What Is Abuse?" introduces the effects of different relationships, and "How To Leave An Unhealthy Relationship" describes the possible causes of these relationships. B "What Is Abuse?" describes problems that can arise from certain types of relationships, and "How To Leave An Unhealthy Relationship" suggests a solution to the problems. C "What Is Abuse?" provides a claim about specific types of relationships, and "How To Leave An Unhealthy Relationship" provides evidence that helps to support the claim. D "What Is Abuse?" explains how specific types of relationship develop, and "How To Leave An Unhealthy Relationship" contrasts these with other types of relationships.