Find the missing character?

U
Y
C
R

The correct answer is B. Y.

The missing character is the letter that comes after the letter U in the alphabet. The other options are not letters that come after U in the alphabet.

A. U is the 21st letter of the alphabet.
B. Y is the 25th letter of the alphabet.
C. C is the 3rd letter of the alphabet.
D. R is the 18th letter of the alphabet.