Which of the Following Would Indicate That a Particular Item

Which of the following would indicate that a particular item on a test is biased against women?

A) Less than half of all women answer the item correctly; less than half of all men answer it correctly.
B) Someone says that it looks as if the item would be more difficult for women than it is for men.
C) It is known that the item was written by a man without any advice from women.
D) The item correlates highly with overall test performance for men, but poorly with overall performance for women.