【单选题】

The author of the passage holds that ______.
A．(A) all the white students do better than ethnic minorities at school.

B．(B) Trevor Phillips' account of black boy's underperformance is an abuse of trust of ethnic minority.
C．(C) poverty, rather than race, is the underlying reason for the black boy's underperformance at school.
D．(D) neither ethnicity nor gender can account for the black boy's underachievement.