Which of the Following Statements About Electoral Volatility Is FALSE

Which of the following statements about electoral volatility is FALSE?

A) Electoral volatility has consistently been higher on average in European elections than in national elections.
B) Electoral volatility can stem from parties losing and winning vote share or from entering and exiting the electoral arena.
C) Most of the electoral volatility in Eastern Europe comes from big swings in vote shares between the major, existing parties.
D) In recent years, electoral volatility has increased in Europe.