There are two reasons that the ethnocentric staffing policy is on the wane in most international businesses. They are: A. an ethnocentric staffing policy limits advancement opportunities for host country nationals, and an ethnocentric policy can lead to "cultural myopia." B. an ethnocentric staffing policy is the most expensive of the alternatives, and an ethnocentric policy limits advancement opportunities for parent country personnel. C. an ethnocentric staffing policy limits the cultural awareness of parent company personnel, and an ethnocentric policy can lead to "cultural myopia." D. an ethnocentric staffing policy is the most expensive of the alternatives and, an ethnocentric policy limits the cultural awareness of parent company personnel