Male nurse are difficult to hire as many men reject this

 Male nurse are difficult to hire as many men reject this_______ out of the long-existing discrimination.

concept

responsibility

identity

personality

答案及解析：本题考查名词辨析C选项，句意为“雇男护土很难是因为很多男性出于长期存在的歧视而抗拒这种身份”。“ identity ”身份，综上，C选项正确。A选项，“concept”观念，想法，与题干的句意不符，故排除。B选项，“responsibility”责任，与题干的句意不符，故排除。D选项，“personality”，性格，与题干的句意不符，故排除。故正确答案为 C项。