What Is One Benefit to Reducing the Use of Expatriates

What is one benefit to reducing the use of expatriates?

A) It is more cost effective to use host country nationals that to relocate expatriates and their families.
B) It is difficult to find employees willing to relocate to another country.
C) One can usually find more technically skilled workers in the host country than in the home country.
D) Immigration and customs laws are making it more difficult to use overseas employees unless absolutely necessary.