Hiroaki Is a Young Japanese Male Who Lives with His

Hiroaki is a young Japanese male who lives with his parents and has been diagnosed with a culture-specific disorder called hikkomori. According to "Culture and Human Behavior: Culture-Bound Syndromes," his symptoms are likely to include:

A) a preoccupation with imagined diseases and a tendency to misinterpret his bodily symptoms or functions as severe illnesses.
B) extreme social anxiety because of fear that his appearance or smell, facial expression, or body language will offend, insult, or embarrass other people.
C) an impulse to set fires for pleasure, gratification, or relief of tension.
D) extreme social withdrawal, a preoccupation with video games and Internet surfing, an inability to work or attend school, and virtually no social interactions with his family or the outside world.