The answer is c,i believe
Power. "My Last Duchess<span>" is all about power: the political and social power wielded by the speaker (the Duke) and his attempt to control the domestic sphere (his marriage) in the same way that he rules hi...</span>
I believe “satisfyingly” would work, the definition of satisfyingly is: “in a way that gives fulfillment or the pleasure associated with this.” The definition of “proudly” is: “with a feeling of deep pleasure or satisfaction in one's own achievements, qualities, or possessions or those of someone with whom one is closely associated.” The word satisfy is used in the definition so I believe they are similar!
I would say A) festering. process of elimination can exclude b and d. So between a and c, a works best.
King Shahryar. make mind the brainiest please. (or whatever its called)