In general, the problems that mentally ill chemical abusers (MICAs) face in terms of diagnosis and treatment are:

A) about equal to the problems faced by people with severe mental illnesses.
B) about equal to the problems faced by people with chemical abuse disorders.
C) less than those faced by either by people with severe mental disorders or chemical abuse disorders.
D) more than those faced by either people with severe mental disorders or chemical abuse disorders.

Answer: D) more than those faced by either people with severe mental disorders or chemical abuse disorders.