Carlos has always functioned well but shows symptoms of schizophrenia for one to six months without the restricted affect. His prognosis is good, but he will most likely be diagnosed as having disorder.

Explanation:

Such type of mental disorder that has symptoms like schizophrenia but can exist less than six months is known as Schizophreniform. It is a psychosis condition so the patient can not differentiate between reality and imagination situation. There are many symptoms that are shown during such types of disorders like social withdrawal, hallucination and some other. The exact cause of this disorder is unknown but can be explained on the basis of the vulnerability of multifactorial genetic and some others.

the answer is definitely a