Which of the following correctly describes the types of party systems as outlined by Giovanni Sartori?

A. A one-party system involves a single political party running for office.
B. A two-party system features two parties competing for control of the majority.
C. A multi-party system involves three or more parties that often form coalitions to gain control of the majority.
D. Party systems were first categorized by British scholar James Bryce.
E. Most countries today use a party system to organize their government.

Choose the correct answer from the options given below: