The subject of the passage is ______.

A．No other event than "Big Bang 1998" has been welcomed in modem Japan's recent history.
B．Big Bang, which is to be competed by 2001, is a whole scale financial system reform.
C．According to Koll, Japan's financial system reform is a transition towards the current financial system in the U. S..
D．According to Koll, Big Bang 2001 will bring a bright future to Japan.

A．the explosion happened billions of years ago, from a single point of nearly infinite energy destiny, which brought about the present universe
B．the restructuring of the securities industry which took place in London during the late 1980s
C．the financial system reform that will happen in Japan
D．a thorough reform in the system of economy or politics etc