According to Leo Yam, introduction of ______ is the most important in integrating computers to the school curriculum.

A．It is really a typical school.
B．It is certainly not typical.
C．It sets up a standard for schools.
D．It is not a progressive school.

A．make troubles in public places
B．behave indecently when they grow up
C．talk to their parents in the same way as other cultures
D．are particularly lacking in civility at home