One Reason That Some Societies Allow Women to Take on Male

One reason that some societies allow women to take on male roles is:

A) To assure that there are enough sexual partners for everyone.
B) To allow every individual to fulfill their potential.
C) To assure that there are people to fill all important kin positions.
D) To grant recognition to women in societies that generally oppress women.
E) To allow elite women to represent their families.