In his novel Robinson Crusoe, Defoe portrayed successfully an image of an enterprising Englishman, typical of the English bourgeoisie in the ______ century.

A．Some companies do not comprehend the urgency of the situation.
B．All companies are ready for the year 2000.
C．The millennium bug is designed by people intentionally.
D．The scale of the problem of the millennium bug is over-estimated.

A．a mad person
B．the inappropriate usage of the computers
C．people's misunderstanding of how fast time elapses
D．the bad quality of the computers