What can we learn from what the speaker said

A．the current public school system is too complicated to be understood
B．the public school system has no choice of what to teach
C．it is difficult to decide whether elementary science should be taught in public schools
D．the educators should take care of both ordinary and gifted students

A． He was taken to church three times.
B． He stayed at home all day.
C． He played in the street.

A．many
B．deal
C．number
D．more