In Assessing Items for a Likert Scale, a Negative Discriminatory

In assessing items for a Likert scale, a negative discriminatory power score on an item means that:

A) high scorers on the overall scale scored lower on this item than did the low scorers on the overall scale.
B) people in the upper and lower quartiles scored very differently on this item.
C) there is a negative relationship between how people score on this item and on the overall scale.
D) the item is a good candidate for inclusion in the final scale.