In a Survey Undertaken by a University to Gauge Student

In a survey undertaken by a university to gauge student satisfaction in its online MBA program, one question asked students to indicate their employment status (unemployed,
Employed part-time, employed full-time) . Which of the following is true?

A) This variable is categorical.
B) This variable is quantitative.
C) This is an identifier variable.
D) Both A and C.
E) Both B and C.