Middle-School-Age Girls Tend to __________,While Middle-School-Age Boys Tend to _________

Middle-school-age girls tend to __________,while middle-school-age boys tend to _________.

A) play in pairs;develop a dominance hierarchy
B) have a smaller network of friends;ignore differences in status
C) avoid differences in status;have a smaller network of friends
D) focus on one or two "best friends";smooth over disagreements