Strong emotions can make it hard to think and to solve problems. They may prevent a person from learning or paying attention to what he is doing. ______ The worry drains valuable mental energy he needs for the examination.
A. Emotions, however, may be weak or strong.
B. In order to feel happy, the person may choose unusual ways to avoid the emotion.
C. An emotion does not have to be created by something in the outside world.
D. A growing child not only learns his emotions but learns how to act in certain situations because of an emotion.
E. For example, a student taking an examination may be so worried about failing that he cannot think properly.
F. Negative emotions make a person unhappy or dissatisfie