Answer:
B. Ethnocentric Staffing
Step-by-step explanation:
Based on the information provided within the question it seems that the approach recommended by Jerome is called Ethnocentric Staffing. This term refers to when you hire management that is of the same nationality as the hiring company. Which is what Jerome is doing by wanting to send U.S. based managers to manage the subsidiaries in other countries. Since the Company itself is U.S. based.