According to the Text, Parents Play a Primary Role in the Assignment

According to the text, parents play a primary role in the assignment of settings and routines for sleep. Harkness and Super reported that in the Kipsigis (Kenyan) study (1995) , after the birth of a younger child, the next-to-youngest child

A) no longer sleeps at the mother's front but rather at her back.
B) no longer sleeps with the mother and other siblings.
C) begins to sleep with the older siblings, not with the mother.
D) sleeps with the newborn, but not with the mother or older siblings.