When Grant Was Released from the Hospital After Receiving Treatment

When Grant was released from the hospital after receiving treatment for schizophrenia, his parents scolded him about finding a job and were very critical of his dietary habits. Grant later became suspicious of his parents, and his delusional thoughts soon returned. This example illustrates:

A) a high level of expressed emotion displayed by Grant's parents.
B) unconditional positive regard for feelings.
C) cognitive dissonance between Grant and his parents.
D) a common problem that occurs when people are released from mental hospitals.