Richard Taped All of the Shades in His House Closed

Richard taped all of the shades in his house closed and cut tiny slits in them so he could look outside without anyone seeing him.He spends hours sitting in his car watching his own house and writing cryptic notes in a little black book.When anyone approaches his car,he ducks beneath the dashboard.Of the following,Richard's symptoms are MOST consistent with a diagnosis of:

A) disorganized schizophrenia.
B) paranoid schizophrenia.
C) catatonic schizophrenia.
D) undifferentiated schizophrenia.