— Mike _____ a job in a bank, but to our surprise, he didn't take it.

— Maybe he got another job.[ ]

A. is offered

B. offered

C. was offered

D. has offered

南京市政府主动出击，请市民评议政府工作。她的“万人评议政府”活动，增加了干部服务意识，提高了工作效率，推动了社会经济发展。这说明[ ]

A．只有通过民主评议才能提高干部服务意识，提高效率

B．权力是一把双刃剑

C．民主监督有利于改进国家机关及其工作人员的工作

D．公民具有自觉履行监督国家机关的义务