Castro and Guevara Developed an Army That Eventually Overthrew Batista

Castro and Guevara developed an army that eventually overthrew Batista through all of these means  EXCEPT

A) creating an arsenal by raiding police stations and army barracks.
B) receiving aid from the American CIA.
C) attracting sympathetic peasants into their army.
D) relying on the knowledge of peasants in regard to terrain and intelligence.
E) being vigilant when it came to spies and government informants.