One Problem with Kraepelin's Use of the Term "Dementia Praecox

One problem with Kraepelin's use of the term "dementia praecox" is that

A) it assumed that what we call schizophrenia only occurred in elderly patients.
B) it was actually describing Alzheimer's dementia, not schizophrenia.
C) it assumed that progressive deterioration of the brain is a universal feature of the disorder.
D) it assumed the intellectual functioning of patients remained constant even as their bodies aged.