The phrase "mid-May" is an example of

A. assonance.

B. metaphor.

C. consonance.

D. alliteration.

The phrase "mid-May" is an example of D. alliteration. Alliteration is the repetition of the same consonant at the beginning of words. Here, the letter M is repeated in both words. Assonance is the repetition of the same vowel. Metaphor is just a symbolic comparison. Consonance is the repetition of the same consonant, or group of consonants at the end of words.