Answer:
A. Schizoid
Explanation:
Schizoid personality disorder: In abnormal psychology, the schizoid personality disorder is also referred to as SPD or SzPD, and is distinguished as a personality disorder involving an individual who lacks interest in different social relationships, poses sheltered or solitary lifestyle, emotional coldness, apathy, secretiveness, detachment, etc.
An individual experiencing schizoid personality often unable to show anger in anger-provoking situations.
In the question above, of the following Personality Disorders, Theo appears to be schizoid.