Which Statement About Polyandry Is True

Which statement about polyandry is true?

A) It is a marriage arrangement in which a man has more than one wife.
B) It is a family arrangement in which a woman is raising children from her husband's first marriage.
C) It is a family arrangement in which a man is raising the children of a deceased sibling.
D) It is a marriage arrangement intended to create a social alliance.
E) It is a marriage arrangement in which a woman has more than one husband.