Which of the Following Sentences Is Not a Parallel Step

Which of the following sentences is not a parallel step in this set of instructions?

A) List the required education, work experience, and technical skills in Section 2.
B) Contact the director of human resources to obtain a job-posting identification number.
C) Placing age or gender preference in the candidate qualifications section creates legal jeopardy.
D) Identify the division, department, and supervising agent for this position in Section 3.