You Are Helping Code One of Your Professors' Data

You are helping code one of your professors' data.You are coding occupation and notice that there is no code for a respondent's indicated occupation.Which of the following statements would be correct in relating the problem to the professor?

A) The coding scheme for occupation is not mutually exclusive.
B) The lack of a code for this particular occupation signals a mismatch between the data and the coding scheme.
C) The coding scheme for occupation is exhaustive.
D) The coding scheme is not a good scheme.
E) All of these choices would be correct statements.