Which Statement Is Best Classified as Pseudopsychology

Which statement is best classified as pseudopsychology?

A) By visualizing that a cancerous tumor is dying, you can cure yourself of cancer without chemotherapy.
B) Research published in professional journals shows that dogs can detect the scent of certain cancers.
C) A number of studies of childhood cancers show that there can be psychological effects long after successful treatment has ended.
D) According to research, successful pain control for persons with terminal cancer is possible.