The answer is C. YBE.
The other options, A, B, D, and E, all have two letters that are in alphabetical order. For example, in A, R is the first letter of the alphabet and U is the second letter. In B, G is the seventh letter of the alphabet and J is the tenth letter. In D, Z is the twenty-sixth letter of the alphabet and C is the third letter. In E, N is the fourteenth letter of the alphabet and P is the sixteenth letter.
In C, Y is the twenty-fifth letter of the alphabet and B is the second letter. This is not in alphabetical order.
