Put the following steps of discrete selection process in correct sequence and select the correct answer:
1. Preliminary interview
2. Completion of application blank
3. Background investigation
4. Physical examination
5. Employment tests
6. Comprehensive interview
7. Final employment decision

A. 2, 1, 3, 4, 5, 6, 7

B. 2, 1, 5, 6, 3, 4, 7

C. 1, 2, 5, 6, 3, 4, 7

D. 1, 2, 4, 3, 5, 6, 7

Answer: Option C