Cynthia knows she should not drink alcohol or do drugs, and she has avoided these things her whole life. However, lately, she suspects her brother might be sneaking liquor into his room late at night. She has always been close friends with her brother, and she doesn't want him to be mad at her, but she also doesn't want him to hurt himself. What should Cynthia do?

A. Go directly to her parents so they can search his bedroom that day
B. Talk to her brother and also let her parents know her concerns about his behavior
C. Have him arrested for underage drinking and teach him a lesson
D. Alert her brother's teachers that he may have developed a habit