According to Charles Tilly which of the following are features of a social movement?
(A) They develop public campaigns, getting organized to make collective claims on targetted audiences.
(B) They threaten to bring down the government.
(C) They combine whole repertoire of political actions, ranging from public meetings, processions and rallies through to demonstrations petitions and the creation of special purpose association.
(D) They display and present themselves to the public as good causes and worthy people.
Choose the most appropriate answer from the options given below :