Which of the Following Best Describes Split Custody

Which of the following best describes split custody?

A) One parent is responsible for raising the child, while the other parent has specified visitation rights.
B) Neither parent is allowed custody, and the authority to make final decisions for the child are handed over to a legal custodian.
C) The children are divided between the parents either by sex or the children's choice.
D) The children divide their time between their parents, who share decisions about the children's upbringing.