Which of the Following Is True Regarding Children's Contributions to Housework

Which of the following is true regarding children's contributions to housework among two-parent families?

A) There is virtually no differences between families of different races in the amount of housework done by children.
B) White children do significantly more housework than African American children.
C) African American children do significantly more housework than white children.
D) White children do more skilled housework (like shopping or baby sitting) while African American children do more unskilled work (like washing dishes) .