The phrases ""O Blues!"" and ""Sweet Blues!"" are examples of; C: Repetition
We are dealing with figures of speech here. A figure of speech is a word or phrase that has a separate meaning from its literal definition.
Figure of speech could be a metaphor or simile used to make a comparison. It can also be repetition of an alliteration or the exaggeration of hyperbole.
Now, we see that there were three phrases in the question and each phrase has the word blue.
This re-use of the phrase blue 3 times in succession is an example of the figure of speech called repetition.
Repetition is defined as a literary device in which a word or phrase is repeated two or more times.
Read more about figures of speech at; https://brainly.com/question/26037758
Answer:
B. Repetition
Explanation:
They're repeating the same words that's repetition.