Final answer:
The four humors that Hippocrates believed were related to bodily fluids and could cause psychological disorder were blood, phlegm, black bile, and yellow bile.
Step-by-step explanation:
The four humors that Hippocrates assumed were related to four bodily fluids and whose imbalance could cause psychological disorder were:
A) Blood, phlegm, black bile, yellow bile
These four humors were believed to be associated with different temperaments and behaviors.
For example, an imbalance in blood was associated with a sanguine temperament characterized by joy and optimism, while an imbalance in black bile was associated with a melancholic temperament characterized by reserve and unhappiness.