Which statement best describes why the types of primaries vary among states?
A. States and political parties make their choice
based on their own state laws and party rules,
regulations, and by-laws.
B. Primaries vary only in the presidential elections
due to federal regulations applying to
presidential candidates.
C. The federal government determines primaries,
and states do not have rights to override the
choice.
D. The type of primary is determined by the political
party of the last candidate in office.