"Ouch! I stepped on one of those plastic toy bricks left on the floor again! 😡" Which of the following parts of speech is the word "ouch"?
A. Preposition
B. Conjunction
C. Adjective
D. Interjection
An interjection is a word or phrase that expresses a sudden or strong emotion or feeling. In this case, "ouch" is used to express pain or discomfort, which is a sudden sensation, and is not grammatically connected to the rest of the sentence. Therefore, "ouch" is an interjection.
Therefore, the Correct Answer is D.