Children in America today are denied the chance of ______.

A．observing how they reacted to the crisis of death
B．learning how to best help themselves and their families
C．finding out their attitude towards the approach of death
D．helping themselves and their families overcome the fear of death

A．forgetfulness is a response to learning
B．the memory storage system is an exactly balanced input-output system
C．memory is a compensation for forgetting
D．the capacity of a memory storage system is limited because forgetting occurs