单项选择题
A．he put all his mind to his performance B．he cared much about the judges' feelings C．he tried his best to avoid making mistakes D．he paid close attention to the people around
A．helps people realize their goals B．makes people forget their setbacks C．makes people regret about their 'past D．helps people deal with their disappointment
A．free of losses B．interested in winning C．accustomed to failures D．concerned about setbacks