S1. The article is about a new policy at some universities which required that ______.

A．Home training is more important than school training because a child spends so many hours with his parents.
B．Teachers can and should help parents to understand further the objectives of the school.
C．Parents have unwittingly hindered and thwarted curricular objectives.
D．There are many ways in which the mathematics program can be implemented at home.

A．Because they take pleasure in doing this.
B．Because the ice cream is cheap on the market.
C．Because they find the dogs like eating the ice cream.
D．Because ice cream is easy to digest.