What Is the Primary Distinction Between the DSM and ICD

What is the primary distinction between the DSM and ICD?

A) The ICD is for psychiatrists, the DSM is for psychologists.
B) The ICD has a research and a clinician version, while the DSM has only one version.
C) The DSM uses an older numbering system than the ICD
D) The ICD was developed with medication management in mind, while the DSM was developed for therapists