Final answer:
The correct command to complete the conversation is ¡No se los traiga! This command specifies that the person should not bring the knives to Alex.
Step-by-step explanation:
The correct command to complete the conversation is: ¡No se los traiga!.
This command translates to: Don't bring them to me! In this case, 'los' refers to the 'cuchillos' (knives) Alex is asking someone to bring him. 'Se' is a reflexive pronoun used to indicate that the action is being done to oneself. This command specifies that the person should not bring the knives to Alex.
Therefore, the correct answer is option B: ¡No se los traiga!
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