B)The book and therapy that inspired rock band Tears for Fears. The writings off their first album 'The Hurting' are very easy to connect to the books concepts. The very name of the band was derived from his book 'Prisoners of Pain'.
C)The bellow one lets out when they have reached a level of uttermost internal pain. The pain might not even be realized by the individual and the scream can be uncontrolable.
D)John Lennon went through primal scream therapy with Arthur Janov before being sent back to England on account of a problem with foreign policy. His therapy was never completed and he was very shook up.