(Question)
She was competing, but felt inadequate, what did she apply to improve performance? Choose the most suitable option to answer the above question. Options：  A. steroids  B. anger  C. increased effort  D. adrenaline rush  E. vain thoughts
(Answer)
C


(Question)
What causes a difficulty in breathing? Choose the most suitable option to answer the above question. Options：  A. files  B. asthma attacks  C. living  D. sustaining life  E. giving life
(Answer)
B


(Question)
What is the purpose of drinking water? Choose the most suitable option to answer the above question. Options：  A. swallow  B. headaches  C. hydration  D. hunger  E. vomiting
(Answer)
C