Its situational............. and what do you mean y text
Answer:
the second option
Explanation:
because there is a list at the end of the sentence we know there has to be a comma. so our only two options are either b or c. but when we look as c we notive there isnt a comma after nature meaning it isnt correct. so b is the best option
A. They believed that a strong class system was necessary for progress
Adverb- She speaks well.
Interjection- Well! That's expensive!
It depends on the context in which you are using it.