Answer: C) Spectrum
Explanation:
Spectrum is a type of disorder which is related with the mental condition that impacts ideas and behavioral pattern of the person. In this mind mechanism, similar physical appearance and mental thoughts or views occurs and get shared.Thus traits are influenced through this mental disorder.
Other options are incorrect because dimension refers with personality disruption. Classification disorder and syndrome are the disorder that is based on personality, mood, anxiety etc.Thus, the correct option is option(C).