As the Child Gets Older, His Distress Reaction to Separation

As the child gets older, his distress reaction to separation from his parent

A) increases and becomes more expressive because he is more cognitively aware of what is happening.
B) decreases and becomes less of a problem because he is more cognitively aware of what is going on and understands the temporary nature of the separation.
C) increases because proximity to his parent becomes more important at this age.
D) decreases because the child becomes less attached to the parent.