Which Statement Has Research Shown to Be True About Stepfamilies

Which statement has research shown to be true about stepfamilies and children in stepfamilies?

A) Complex stepfamilies experience greater satisfaction and less stress than do those in simple stepfamilies.
B) Nearly half of all children in stepfamilies had not seen their nonresident fathers in the past year.
C) The role of the stepfather is more difficult than that of the stepmother.
D) The longer the time period between a divorce and remarriage, the better the adjustment of the children to the remarriage.