题目

任务型阅读Haveyou ever been labeled perfectionist? Or do you consider yourself tobe one? It's inviting to see perfectionism as a desirable or positive quality. Healthyperfectionists want to develop their skills continually. Their standards arealways rising, and they approach work with optimism, pleasure and a desire toimprove. Unhealthy perfectionists, however, are never satisfied with what theyachieve. They may experience fear of failure, anxietyand other painful emotions. According to a 2011 research, perfectionism islinked to health issues such as eating disorders and depression. Per选出填入下列空白处最恰当的一项是：（ ）.生物学家的研究表明，人是从猿（　　　）而来的。A．分化B．分离C．进化D．发展