Answer: C) Onomatopeia
Step-by-step explanation: onomatopeia is a literary device that consists in the use of words that imitate sounds. In the given sentence we can see a clear example of onomatopeia in the repetition of the word "thump" in the phrase "Thump, thump, thump, went his foot on the floor" the repetition of this word has the purpose or the function of imitating the sound of the foot hitting the floor.