Câu 24: NCP-AAI: Agentic AI

In a ReAct (Reasoning-Acting) agent architecture, what is the correct sequence of operations when the agent encounters a complex multi-step problem requiring external tool usage?

1. A. Thought --> Answer --> Action --> Observation
2. B. Action --> Thought --> Observation --> Action --> Thought --> Observation --> Answer
3. C. Observation --> Thought --> Action --> Observation --> Thought --> Action --> Answer
4. D. Thought --> Action --> Observation --> Thought --> Action --> Observation --> Answer — đáp án hiện tại