Thoughts and/or emotions prevent a person from functioning normally. The first one isn’t right as a person with mental illnesses may not have delusions, the same with the third one a person with mental illness may not be nervous or sad, and schizophrenia and bipolar are mental disorders but it is not limited to those.
The correct answer is C.
Elaborate costumes are not considered to be special effects. Special effects are images or sounds that are created, essentially illusions, for television, movies or radio. They are created physically for example through makeup, instruments or pyrotechnics, or digitally through computers and give us a false sense of reality. They are used for entertainment purposes.
Depression, sleeping to much, social withdrawal.
Servers depression.....from the highs of mania on one extreme, to the lows of depression on the other.