In the Van Lange Et Al (1997)study of the Development

In the Van Lange et al (1997) study of the development of prosocial versus egoistic value orientations,what position in the family did prosocial individuals usually occupy?

A) They were only children.
B) They were the eldest child in a family with female siblings.
C) They tended to have more elder siblings.
D) They tended to have more younger siblings.