Which of the Following Is True

Which of the following is true?

A) The fastest growing economies in the world are mostly less developed countries.
B) The fastest growing economies in the world (those with annual real growth rates of 3.5 percent or more) are mostly high-income industrial countries.
C) The slowest growing countries in the world,many of which are experiencing declines in per capita GDP,are less developed countries.
D) Both a and c are true.