What Is the Sociological Lesson to Be Learned from Ernst

What is the sociological lesson to be learned from Ernst & Young's business strategy?

A) Canadian companies need to pay more attention to cultural diversity.
B) Canadian companies need to pay more attention to the new Canadian culture.
C) Some cultural forms are short-lived.
D) Most cultural differences are unimportant and small.
E) Travel to other countries should be limited to prevent diffusion.