According to the context, the correct Spanish adverb to complete the sentence is "obedientemente".
What is an adverb?
It is the invariable part of the sentence that can modify or complement the meaning of the verb.
In the sentence "El perro se portó obedientemente", "obedientemente" is an adverb that complements the meaning of the verb "portó".
Therefore, we can conclude that according to the context, the correct Spanish adverb to complete the sentence is "obedientemente".
Learn more about Spanish adverbs here: https://brainly.com/question/13665812
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