Detailed Instructions: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
Q: [header] How to help someone with depression and anxiety [title] Learn about depression and anxiety. [step] Educate yourself about both depression and anxiety. As the saying goes, " knowledge is power, " and this is true in helping someone with mental illness. <sep> (A) The first step is to have a specific conversation with your friend or relative. Explain to your friend how you feel and what you want to do about the problem and how you want your friend to cope with it. (B) Not only do you have to know about both, but you have to know how they feel about depression. This knowledge will help your relationship with someone change, including improving their ability to interact socially, and help them overcome the fear and anxiety that's responsible for depression. (C) Using the above research, you can help someone you care about deal with mental issues whenever they arise, so it's important that you know when they may need you. [substeps] In addition to learning about depression, you can attend support groups for people who have depression or anxiety. (D) The more you understand anxiety and depression, the better you can respond to someone's needs. Do some research about anxiety and depression online and/or talk to a psychologist, psychiatrist, therapist, or medical doctor.
A:
D