When a number of people______ together in a conversational knot, each individual ex- presses his position in the group by where he stands.

A．every student has five or six friends
B．judges are always influenced by a pretty face
C．ugly people find it harder to make friends than beautiful people
D．we lend to grow fond of people if we dislike them at first sight

A．it was impossible to predict which' friendships would develop
B．in the long run, people get on better with those who are like them
C．students split up as soon as they discovered differences in attitudes
D．students immediately recognized others with similar attitudes and interests