3:09 Search 5. According to the textbook, a diagnosis of a mental disorder BEST means that a clinician has: A. found a label that may or may not correspond to a cluster of symptoms of a client's problem B. found the cause of a client's problem C. identified a therapy for treating a client's psychological problem. D. understands the client's problem well enough to make a diagnosis even if the client disagrees with the assessment. 6. Suppose a clinician has done a differential diagnosis of a mental disorder for a client. This means that the clinician has A. found the cause of the client's psychological problems. B. made a diagnosis of the disorder that other clinicians would accept. C. labeled the client's problem with a diagnostic label by excluding other labels D. understood the client's problem well enough to make a correct diagnosis.