The Culture-Specific Disorder Hikkomori Has Symptoms in Common With

The culture-specific disorder hikkomori has symptoms in common with:

A) several Western disorders, including social anxiety disorder, depression, generalized anxiety disorder, and agoraphobia.
B) several Eastern disorders, including ataque de nervios and taijin kyofusho.
C) virtually no other disorder; it is unique to Japan.
D) anorexia nervosa and bulimia nervosa.