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 create your own happiness [title] Recognize that happiness stems from your own attitude. [step] Work on changing your thought patterns. You can't control everything about your life, but you can control how you react. <sep> (A) Remind yourself, out loud if you have to, that your behavior and your attitude are both under your control. Mentally, focus on enhancing what's good in your life as opposed to fixing what's wrong. (B) Each task in your day affects your attitude. You'll have different reactions to tasks, but each day you work better at overcome them. (C) You can choose how you react to a situation or stressful event. [substeps] Stress and negative feelings, such as being unsure what to say or what to say, can cause the negative energy to inflate when you smile. (D) According to bob dylan, people who surround themselves with love and happiness belong to an expanded worldview that emphasizes going from all to all. From happiness to happiness, think of things you do as a reality and that are entirely out of your control.
A:
A