When parents show constant disappointment in their children, the destructive effect is that the children will______.

A．People should be heavily fined for parking offenses.
B．]he nearer to the city center you park your car, the higher fire charge is.
C．Car park charges should be made as high as possible to deter people from using cars.
D．People cannot park their cars for longer than half an hour in the city center.

A．It’s easy to get lost.
B．It requires enormous strength.
C．It’s a good group activity.
D．People shouldn’t do it in the winter.