CCAR-F Practice Test

Question 1 of 5

Single choice

In a Claude Agent SDK loop, which signal should the code use to decide that the model has finished and the loop should terminate?

Choose one answer

A. The response's stop_reason is end_turn, which means the model has no further tool calls to make
B. The assistant's text contains the phrase 'task complete', which the system prompt asked the model to write once it is done with the work
C. A hard cap of ten iterations is reached, regardless of what the model returned in its most recent response
D. The last message in the transcript is an assistant message containing plain text, which the loop treats as the final answer

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