从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
21. —Would you mind giving your advice on how to improve our business newspapers?
—If you made _______most of the equipment ,there would be _______rise in production.
A．不填；不填 B．the ;不填 C．the; the D．the ;a
22. Although the necklace is not made of real crystal(水晶), it still ____ young people.
A. appeals to B. attracts to C. accounts for D. apply for
