The committee is discussing the problem right now．It will _____ have been solved by the end of next week．

A．eagerly

B．hopefully

C．immediately

D．gradually

零件加工时，粗基准面一般为（）

A、工件毛坯面

B、工件不加工表面

C、工件已加工表面

D、工件的待加工表面