Which Scenario Illustrates Perceptual Learning

Which scenario illustrates perceptual learning?

A) A person who grows up in the country playing on the ground can readily learn to discriminate between fertile and poor soil later in life.
B) A child whose parents played only classical music in the home grows up to prefer classical music to any other kind of music.
C) A child with a significant hearing loss is helped by his speech therapist to articulate the differences in sound between the letters p and
D) A couple finds that working with a professional relationship counselor helps them better understand each other's perspectives and avoid arguments.