Answer:
This is an example of Undifferentiated schizophrenia.
Step-by-step explanation:
Schizophrenia as a mental illness (disorder) has been studied by various researchers inorder to know how to resolve the illness. During the study, it was known to be classified into four different types according to which symptoms the patients dispays.
In the case of Delia, she being withdrawn and not entirely clear all the time (vague feeling), shows an example of class of schizophrenia known as Undifferentiated Schizophrenia