Project management techniques applied to ongoing operations is called as ______ .

A．portfolio management

B．management by projects

C．management by objectives

D．management by exception

国家烟草专卖局制定了（），对日常专卖执法工作进行了具体规定。

A、《烟草专卖文明执法规范》

B、《烟草专卖文明执法行为规范》

C、《烟草专卖文明执法条例》

D、《烟草专卖文明执法行为准则》