The correct preposition here is "among," because "among" is used when referring to more than two things or people that are considered as a group. The election was a fight between multiple parties, so the appropriate preposition is "among."
Thus, the correct preposition is "among," making the sentence: "The election was a straight fight among the four parties."
Each question has a sentence that has an underlined part. Choose the option which rephrases the underlined part in the most appropriate manner in terms of grammar and usage.
In an attempt to boost their profits, many edible oil-producing companies have been engaging themselves in propaganda against commonly used oils and promoting exotic and expensive varieties of oils \(\underline{as\ more\ healthier\ options.} \)