The transitional word that can be used instead of the pair of sentences given above is: "No doubt". (Option C)
Transitional words are words that help to link ideas between two or more sentences in such a way that context is preserved as well as meaning.
Hence, the full statement should read:
"Gasoline prices are too high in our state. No doubt this is because gasoline taxes are excessive.
Learn more about transitional words at:
https://brainly.com/question/1101400
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