根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
How to Calm Your Teen's Nerves before an Exam
Stress is a feeling of physical, mental of emotional strain of tension which disturbs or interferes with normal physiological balance. Stress can be overwhelming for anyone, but it can be especially difficult for a teen that has not yet developed effective coping skills. A major source of teen stress is school exams, and test anxiety is not uncommon. So, how can parents help their teen stay calm before an exam?
*Recognize when your teen is under stress.
Teens can feel an immense pressure to do well on exams. For some teens, just the idea of taking the test can bring them into a panic. 16 Emotional symptoms include: excessive aggression, mood swings, and panic attacks.
