Paragraph 5 supports which of the following ideas about mobility costs for American workers compared with mobility costs for workers in most European countries? A. Mobility costs are higher for American workers because they have shorter job tenures. B. American workers get more help from employers in covering the costs of moving to a new job. C. The psychic costs of resettling internally to take a job are lower for American workers D. The economic costs of emigrating to take a job are higher for American workers