Which Is NOT a Type of Stepfamily

Multiple Choice

Which is NOT a type of stepfamily?

A) a family in which a child lives with his or her married parent and stepparent
B) a family in which the children from a previous marriage visit their remarried parent and stepparent
C) an unmarried couple living together in which at least one of the partners has children from a previous relationship who live with or visit them
D) a remarried couple in which both spouses bring children into the new marriage from the previous marriage
E) a remarried couple who do not have children from a previous marriage but have children together