[单项选择]If a person finds getting up early a problem, most probably ______ A. he is a lazy person B. he refuses to follow his own energy cycle C. he is not sure when his energy is low D. he is at his peak in the afternoon or evening
参考答案:D 答案解析:细节辨认题。由第二段"'Get up, John! You'll be late for work again!' The possible explanation to the trouble is