A.不得從事生產(chǎn)經(jīng)營活動 
B.經(jīng)主管部門批準(zhǔn)后允許生產(chǎn)經(jīng)營 
C.經(jīng)安全生產(chǎn)監(jiān)管部門批準(zhǔn)后可從事生產(chǎn)經(jīng)營活動