Find the missing character?

The missing character is N.

The first three characters are all vowels, and the last three characters are all consonants. The missing character is a consonant that comes between the vowels. The only consonant that comes between the vowels in the alphabet is N.

A. D is a consonant, but it does not come between the vowels in the alphabet.
B. N is a consonant that comes between the vowels in the alphabet.
C. P is a consonant, but it does not come between the vowels in the alphabet.
D. T is a consonant, but it does not come between the vowels in the alphabet.