This could be the result of laziness or ______ which would lose him his customers or his job.

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 tend to grow fond of people if we dislike them at first sight

A．Birds of a feather flock together.
B．Opposites attract each other.
C．Great minds think alike.
D．A friend in need is a friend indeed.