Which choice, if added here, would most effectively establish the main topic of the paragraph? Which choice, if added here, would most effectively establish the main topic of the paragraph?
A. Job seekers can think of job search websites as strategic “intelligence-gathering” tools.
B. New job postings are sometimes flagged to indicate that they’re recent additions.

C. Instead of placing an advertisement in the “help wanted” section of a newspaper, an
employer is more likely to post an online job site.

D. Some people use online job sites just to become aware of job opportunities in their area even if they’re not actively looking for a new job.