— Hey! Here is a message on my cell phone, telling me to send money to...

— Delete it! It's a trick. Many a person _____ by such tricks. [ ]

A. has been cheated

B. have been cheated

C. were cheated

D. was cheated

社会主义民主政治的特点和优势之一是民主的内容与形式的统一，下列做法能体现这种统一的有（　　）

①专家学者对地区产业发展方案进行分析论证　　　

②村民参加民主听证质询会监督村民委员会的工作　　

③政协委员审议政府工作报告参加行使国家权力　　

④民族自治州行使立法自治权管理本民族内部事务  

A．①②

B．①③

C．②③

D．②④