What Does the Hague Convention on Civil Aspects of International

What does the Hague Convention on Civil Aspects of International Child Abduction state?

A) The rights of custody that have effect are those of the country where the child has been taken.
B) Fathers normally have custody unless mothers can prove them to be unfit parents.
C) Mothers normally have custody unless fathers can prove them to be unfit parents.
D) The rights of custody and access of one country are respected by other countries.