Inferring from the Textbook,which of the Following Adolescents Would Be

Inferring from the textbook,which of the following adolescents would be most vulnerable to peer influence?

A) Della, who is alone at home with phone calls from mother
B) Stewart, who is unsupervised at a friend's house with his parents' approval
C) Phyllis, who is just "hanging out" with a group, but who calls to tell her mother where she is
D) Francine, whose parents don't know where or with whom she is "hanging out"