Yes. The CLB10 requires you to get 8.5, 7.5, 8, 7.5. If they had asked you to speak more, there is a deficiency so to speak, so asking for a recount would probably just get them to come back "nah, sorry man you did not elaborate here here and there". I would just retake if it is for personal closure

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I definitely would not appeal because at 7.5 if the score actually dropped because the third marker hears the prompts, you get -3...
At 8.0, for example, even if it swings -.5 against your favor, you still land in the CLB-10