Answer:
C. HRM is important in U.S. firms but insignificant in foreign firms.
Step-by-step explanation:
Option A: With the help of HRM, it is possible to improve a firm's ability to adapt to changing markets.
B: If a company has skilled human resources, the company can gain competitive advantage.
D: Again, skilled emoyees mean positive organizational performance.
E: Among the components, Human resource is one of the key components for an organization to set up.
All the answers are correct regarding HRM.
On the other hand, Human Resource is not only significant for the U.S firms but also important for all the firms across the world. Therefore, the answer "C" is wrong regarding the HRM.