Which of the following statements is incorrect about grade-two thinkers? ( ) A:Grade-two thinkers can easily find the contradictions in some people’s thoughts and behavior. B:Grade-two thinkers tend to be indifferent to worldly matters, even though they can clearly see and hear how unreasonable they are. C:Grade-two thinkers challenge many thoughts, but they don’t know how to establish constructive ideas from them. D:Grade-two thinkers have moments of delight because they abandon prejudice, ignorance and hypocrisy. 答案: Grade-two thinkers have moments of delight because they abandon prejudice, ignorance and hypocrisy.