Which of the following statements most accurately reflects the authors opinion about the process of modernization？

A. Countries do not develop in isolation, but in a context of fierce international, political, and economic competition.
B. Modernization in the third world may still be impeded by the legacy of colonial dependency.
C. People in less developed countries are more likely to adopt an extended family system.
D. A country"s economic, social and cultural changes will speed up its process from a pre-industrial to industrial society.