Respuesta :
The meaning of the verb "broods" as used in section 2 is "think deeply about something that makes one unhappy," as expressed in option C and explained below.
The meaning of "brood"
When a person broods, that means he or she sits in silence for quite a long time thinking about things that make him or her worried, sad, or even upset.
That is precisely the meaning of the verb "broods" as it is used in section 2, when the professor of Chemistry is described as someone who "often broods over wrongs done him and grief from his past." He is thinking about things that make him unhappy.
With the information above in mind, we can select option C as the correct answer.
Learn more about the meaning of words here:
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