Only when     possible to settle the problem.[ ]

A. does the editor come will it be    

B. the editor comes will it be

C. has the editor come it will be    

D. the editor comes it will be

森林防火期内，某勘探单位违反森林防火条例规定，未经批准擅自在森林防火区内野外用火。县级以上地方人民政府林业主管部门除责令其停止违法行为、给予警告外，还可对此单位并处怎样罚款？