Which of the Following Statements Regarding the Care of Younger

Which of the following statements regarding the care of younger siblings by older ones in developing countries is correct?

A) Siblings often form weak bonds since the older children simply see themselves as babysitters.
B) Parents in developing countries treat children of all ages equally.
C) Competition and fighting among siblings is virtually nonexistent in developing countries.
D) Older children,particularly girls,are expected to parent younger children.