Answer:
A. mutt
Explanation:
To use a word denotatively implies to use the word in its literal sense. The literal meaning of a word is its denotative meaning.
A mutt literally means a dog, the meaning of the rest of the sentence also agrees with the writers use of word 'mutt'.
Hence the word was used denotatively.
The sentence written correctly is: Some of the race contestants are wearing amusing and creative costumes.
