The term that is false would be B.
Betty should not go swimming immediately, the waters might not be safe and if she is alone, no one would be able to help her if something went south.
Is there more to this question?
Hello! You can increase your awareness of hereditary diseases by educating yourself on different diseases. It never hurts to search the internet for credible sources about these kinds of diseases, the symptoms of them, and how they are treated. Knowing about them can help you understand why others get those diseases and how they continue to live happy, productive, normal lives.