A．letter names and sounds are deliberately taught to them
B．parents read stories very often without frustrating the children with questions
C．they have never learned letters
D．they play with letters unconsciously

A．Now that women have claimed equality, they no longer need to be treated differently from men.
B．It is generally considered old-fashioned for young men to give up their seats to young women.
C．"Ladies first" should be universally practiced.
D．Special consideration ought to be shown to them.