Administrative arrest consists in the maintenance of the infringer in the conditions of isolation from society and is set for a period up to __ days, and for violation of the established procedure of organizing or holding meetings, rallies , demonstrations, marches or picketing or organization which entailed violation of public order mass simultaneous stay or movement of citizens in public places, for violation of requirements of emergency state or legal regime of counter-terrorist operations or for administrative offenses in the field of legislation on narcotic drugs, psychotropic substances and their precursors to __ days. Bbl6epuTe OAMH OTBeT: a. ...15 days; __ 30 days b. ...5 days; ...10 days C. ...10 days; ...20 days d. ...20 days; ...40 days