It Was Proposed That Young Children Initially Segregate Themselves into Same-Sex

It was proposed that young children initially segregate themselves into same-sex peer groups because

A) their play styles are different from one another, making it difficult for the two groups to play together.
B) the physical differences between boys and girls make it unlikely that they could find common interests.
C) biological predispositions lead children to interact with others who are most like them.
D) children are reinforced for playing with opposite-sex children by adults.