Which of the Following Does Johnson Not Offer as an Argument

Which of the following does Johnson not offer as an argument for reincarnation?

A) Repeated incarnation is the only way to explain the vast differences in people's moral and spiritual qualities.
B) Reincarnation offers the best explanation for why some souls seek or are led to be born into more advantageous circumstances than others.
C) Since we must assume the incarnation of a pre-existing soul to explain apparent injustices in the world, there is no further difficulty in assuming that the soul is incarnated again and again.
D) Special techniques of hypnosis and meditation enable people to recall events in their past lives, which would only be possible if they had been reincarnated.