Choose the sentence with the correct pronoun case usage. The dispute regarding who should get credit for the idea is between Thomas and I. C The dispute regarding who should get credit for the idea is between Thomas and me.

The correct sentence is: "The dispute regarding who should get credit for the idea is between Thomas and me."

In this sentence, "me" is the correct pronoun to use because it is the object of the preposition "between." When referring to oneself as the object of a verb or preposition, the objective case pronoun "me" should be used instead of the subjective case pronoun "I."