When Communicating with a Psychotic,schizophrenic Patient,the Nurse Avoids the Use

When communicating with a psychotic,schizophrenic patient,the nurse avoids the use of slang phrases most importantly because:

A) Such phrases have different meanings for different people.
B) Such phrases will likely trigger anxiety and frustration in the patient.
C) The use of such phrases is not appropriate when communicating therapeutically with a patient.
D) This patient's altered thought processes will serve to make understanding such phrases very unlikely.