Both Sam and Aimée Recently Received Diagnoses of Depression,however the Symptoms

Multiple Choice

Both Sam and Aimée recently received diagnoses of depression,however the symptoms they are each experiencing are very different from each other.This would best be described as

A) an example of diagnostic reliability.
B) an example of a disorder that is defined polythetically.
C) they are experiencing comorbid disorders.
D) an example of a disorder that is defined monothetically.