Read the chapter's opening case, and then answer the question. chapter's opening case In the ongoing war for talent, how multinational enterprise (MNE) subsidiaries attract, recruit, retain, and develop host-country nationals (HCNs) is an important part of their talent management challenges. In many emerging economies, a key factor in retaining or losing top HCN talent is which of the following? a. Allaying concerns about what kind of position they will have upon return b. Excellent training and development opportunities c. Addressing ethnocentrism, which often results in a painful adjustment d. Providing perks such as chauffeured cars and maid service