mrscalloway88 mrscalloway88 01-03-2018 Social Studies contestada Which statement BEST describes a difference between a presidential system of democracy and a parliamentary system of democracy? A. The president acts as head of state in a presidential system ONLY. B. The prime minister is elected directly by popular vote in a parliamentary state ONLY. C. The prime minister act as head of the national government in a parliamentary state ONLY. D. The president is chosen by members of the Legislative Branch in a presidential system ONLY.