单项选择题

According to the passage, which has NOT begun to fix their computers for the year 2000

A．Banks.
B．Securities exchanges industry.
C．Aviation industry.
D．Hospitals.
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What's the attitude of the author towards the digital gadgets
A．Optimistic.
B．Pessimistic.
C．Worrying.
D．Not care at all.
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When was China's official war against the millennium bug started
A．1995.
B．1996.
C．1997.
D．1998.
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