Final answer:
The passage primarily suggests: (c) The speaker will take responsibility for the past.
Step-by-step explanation:
The dialogue indicates a moment of self-reflection and an intent to move forward without dwelling on past events excessively. While acknowledging the need to avoid living in the past, the advice to take responsibility for one's actions implies a recognition of the importance of owning up to past behaviors or decisions.
This signifies a commitment to personal accountability and growth, indicating an understanding that one's past actions influence present attitudes and behaviors. Therefore, the emphasis lies on acknowledging and learning from the past rather than being defined or confined by it.