Answer:
The passage develops the central idea "Elizabethans believed that health depended on the balance of the four humors" because It explains that Elizabethans believed that divine intervention caused imbalanced humors.
Step-by-step explanation:
According to this passage, Elizabethan had very different beliefs towards medicine and health from the ones we have nowadays, they used to believe that the most important reason why they got seek was divine intervention, in other words, they caused themselves that state for a previous bad action they committed.