Which of the following is Not the characteristic of grade-three thinkers?

A.Grade-three thinkers are prejudiced.

B.Grade-three thinkers tend to support each other as they have strong solidarity.

C.Grade-three thinkers are self-contradictory and hypocritical.

D.Grade-three thinkers are patriotic.

正确答案：Grade-three thinkers are patriotic.