What Best Describes the Relationship Between the ICD and the DSM

What best describes the relationship between the ICD and the DSM systems of diagnostic classification?

A) The ICD system is published by the World Health Organization and DSM is published by the American Psychiatric Association.
B) The ICD is descriptive and the DSM is etiological.
C) The DSM hopes to promote interrater reliability whereas the ICD is based on clinical judgment.
D) The DSM has a theoretical basis whereas the ICD is purely empirical.