What Is Common Among the Asian Countries Hong Kong, South

What is common among the Asian countries Hong Kong, South Korea, Singapore, and Taiwan?

A) They were among the first countries in Asia to move from a status of developing countries to newly industrialized countries.
B) They have a middle class numbering some 250 million, about the population of the United States.
C) The exports in these countries are growing at a rate of 50 percent annually.
D) They have faced a serious disadvantage in the information age due to their complex languages.
E) They all have the custom of "baksheesh," a deeply ingrained system of bribery.