Why Did Japanese Citizens Lose Faith in the Country's Bureaucracy

Why did Japanese citizens lose faith in the country's bureaucracy in the late 1990s?

A) A series of scandals came to light revealing bureaucratic chicanery and mismanagement
B) Bureaucrats were perceived as increasingly politicized
C) It came to light that answers for the high-stakes hiring exam had for years been leaked to Tokyo University graduates
D) Bureaucrats were blamed for Japan's poor economic performance