It Is Likely That, If We Could Measure the Quality

Multiple Choice

It is likely that, if we could measure the quality as well as the quantity of education,

A) the human-capital argument would become less compelling as a means of explaining wage differentials between white workers and black workers.
B) the human-capital argument would become less compelling as a means of explaining wage differentials between male workers and female workers.
C) wage differentials between white workers and black workers would be more puzzling than they are now.
D) wage differentials between white workers and black workers would be more fully explained.