The Fact That Episodes of Mass Madness Peaked at the Time

Multiple Choice

The fact that episodes of mass madness peaked at the time of the Black Death illustrates that ________

A) mass hysteria usually has a biological basis.
B) mental and physical illnesses commonly occur together.
C) phenomena that impact the society and its structure may also affect mental health.
D) mental illnesses really are caused by imbalances in the four bodily humors.