Firebaugh and Beck believe that economic development can improve the overall well-being of people in developing countries. However, other scholars highlight the limitations of this view, demonstrating empirically that while economic development does contribute to the well-being of populations in developing countries, the positive impact of development on well-being diminishes over time. In other words, these scholars believe that a decoupling of economic development and human well-being is occurring in developing countries.

According to the word "however", the first Kong learned that he should choose words that reflect negative evaluations, and AC is to be selected. The concession sentence that follows first acknowledges the rationality of F and B's views, and then says that this mutual relationship has weakened, so You can only choose option C in the first blank. The second blank is known through the while concession logic. Fill in the weakened answer and choose option F. According to the previous article, the relationship between economic development and people's welfare is getting closer and closer to the third blank. Weak, so the corresponding option is option G. limitation, decreased over time, decouple, the connection disappears.