Final answer:
The absence of appropriate behavior observed in Victor can be identified as a. schizophrenia with negative symptoms.
Step-by-step explanation:
The absence of appropriate behavior, such as sitting in a chair with no expression on the face, that is observed in Victor can be identified as schizophrenia with negative symptoms (a). Negative symptoms of schizophrenia refer to the absence or reduction of normal emotional responses, motivation, and drive. Some examples of negative symptoms include a flattened emotional state, loss of pleasure, and loss of basic drives.