划定科技档案归档范围的依据是（）.

A、科技活动中形成的所有科技文件材料

B、鉴定和验收的科技文件材料

C、成果性科技文件材料

D、凡是对历史查考和当前工作参考有依据和凭证作用的科技文件材料

I am ______ the government as well as to the general public for just treatment ______ peasant-workers,

who have made great contributions to the improvement of city life. [ ]

A. asking; on behalf of

B. applying; in the name of

C. demanding; in the name of

D. appealing to; on behalf of