To Decide Whether or Not Any Individual Item on a Test

To decide whether or not any individual item on a test is biased against men or women, psychologists would need to determine whether:

A) either a man or a woman complains about the item.
B) the person who wrote one of the items intended it to favor one group or the other.
C) the item has an example that describes either a man or a woman, without including both.
D) some item that is among the easiest for one group is among the most difficult for the other.