Happy mood is the core of children's mental health. Good mood and moderate emotional response indicate that teenagers are in a positive state of physical and mental health. But in daily life, when something goes wrong, everyone will have some emotional problems more or less, such as tension, anger, trouble and so on. When these problems appear, we can try to adjust our emotions in the following three ways. Method 1: When you are in a bad mood, change the subject consciously. Or do something else, such as listening to music, watching TV, playing ball, playing chess, going out for a run, etc. To distract yourself and ease your mood. Method 2: Tell your relatives or close friends about your troubles or even cry, and vent your accumulated troubles, which will also be good for your physical and mental health. However, you should pay attention to the object, place and occasion of venting; Methods should also be appropriate to avoid hurting others. Method 3: When you want something or want to do something but fail, in order to reduce your inner disappointment, you can find a suitable reason to comfort yourself, which can help you accept the reality and maintain a more optimistic attitude when facing setbacks. Don't take sedatives to hypnotize, which is not good for physical and mental health. To sum up, you can know that option C meets the meaning of the question.
So choose: C.