What is the main difference between a pure democracy and a republic?

A. in a republic, people vote directly on laws, but in a democracy, people elect representatives who make laws.
B. in a democracy, people cote directly on laws, but in a republic people elect representatives who make laws.
C. in a republic, people have no representation, but in a democracy, people have representatives who act for them

B. in a democracy, people vote directly on laws, but in a republic people elect representatives who make laws.