The best title of the passage is ______.

A．certain factors should be taken into account
B．people in Britain behave in the same way as those in America
C．price stability results from a correct understanding of consumer psychology
D．occasional discounts and sales are necessary

A．discuss the negative aspects of being attractive
B．give advice to job - seekers who are attractive
C．demand equal rights for women
D．emphasize the importance of appearance