The correct answer is C. Yea!
Explanation
An interjection is a word to express a state of mind and capture the attention of the public. In general, interjections are pronounced in an exclamatory tone for that are written followed by exclamation marks (!). Therefore, the interjection of the phrase "Yea! Our team won the tournament!" Is "Yea!" Because it catches the attention of the audience and expresses emotion for the victory of the team in the tournament. So, the correct answer is C.
