A．Some people retire from present jobs for adult education.
B．Self-improvement has become a national passion.
C．Working mothers are especially fond of adult education.
D．Self-improvement is popular with young people.

A．He and his friends have never worn Adidas.
B．Adidas is only for great sports players like the Chicago Bulls.
C．Adidas helps sports players do better.
D．He has always wanted to wear Adidas shoes.