Which of the Following Statements Is/are True

Which of the following statements is/are true?

A) In the U.S. women are assumed to be less competent leaders than men, but in most industrialized nations women and men are assumed to be similar in leadership ability.
B) The success of women managers is often attributed to external factors.
C) Men tend to dislike strongly competent women and think less highly of their accomplishments.
D) All of the above.