Increasing or increased in quality, degree, or force by successive additions.
According to the dictionary entry, the word 'regime' is (3.) a noun.
<u>The word 'regime' is a noun and it is mainly used to refer to a particular system of government of a country</u>. It usually has a negative connotation since it is associated with authoritarian governments. An example is: "The Nazi regime ended in 1945, the year in which Germany was defeated by the Allies". However, the word 'regime' can also be used to refer to an ordered way of operating and organizing things. It also functions as a noun in this sense.
Starting with A it might describe the main character but can you tell who the main character is? For B. it seems likely since he is dying and that was the strong point of the poam. but for C. it has nothing to do with more of a Setting feel. then something more with character and something being solved. B is most likely for how I can see it.