Thanks to the Party's opening and reform policy, people in China are ______ than they were thirty

years ago.     [ ]

A. well off   

B. much better off    

C. more better off    

D. quite better off

尖锐湿疣不宜：

A．内服药物

B．外用药物

C．激光外治

D．青霉素治疗

E．冷冻治疗