单项选择题
JOB ADVERTISEMENT Our legal department requires a mature, competent secretary who will report to one senior lawyer and one assistant lawyer. The successful candidate will have a solid background in organizational work, advanced skill in shorthand and data processing, combined with at least two to three years of legal secretarial training. Some experience in real estate could be an asset. Sun Life offers excellent opportunities for personal advancement. Salary will be in accord with qualifications, beginning at a minimum of $2,000 per month. A superior benefit package and an attractive incentive programme are included. Begin at once. Interviews will be held Monday through Friday, April 14th to 18th. Applicants are requested to mail detailed resumes to: Sun Life Insurance Company P.O. Box 650 Windsor, Ontario M60 3S8
Which of the following is NOT essential for the position（）
A．Legal secretarial training.
B．Experience in organizational work.
C．Experience in real estate.
D．Proficiency in data processing.