Mark is hospitalized as a result of schizophrenia. He constantly rambles incoherently about a variety of topic?

Mark is hospitalized as a result of schizophrenia. He constantly rambles incoherently about a variety of topics and does not interact with the other patients or hospital staff. Mark has delusions that his right arm is slowing shrinking and that he is growing a third eye on the back of his head. Most likely, Mark is diagnosed with



a. disorganized schizophrenia

b. paranoid schizophrenia

c. catatonic schizophrenia

d. undifferentiated schizophrenia

I don't know which one is correct, please help me out guys...