Professional identity refers to an individual's positive evaluation of the profession they are engaged in. According to the above definition, Which of the following persons have a professional identity:. ['Xiaowang, a soldier, he is always proud of his good football.', "Xiao Liu, a company clerk, has been praised by his boss, Zhou, for his secretary's work well.", 'Xiaowei, a college student, is preparing to return to a remote hometown to teach after graduating from college, because he feels that the profession of a teacher is great.', 'Option is missing, soliciting.']