Which of the Following Statements Is True

Which of the following statements is true?

A) All countries with low productivity levels in 1960 grew slowly between 1960 and 2005.
B) Since the United States had the highest productivity level in 1960, it was the slowest-growing country in the world between 1960 and 2005.
C) Countries with high productivity levels in 1960 grew the fastest between 1960 and 2005.
D) All countries with low productivity levels in 1960 grew rapidly between 1960 and 2005.
E) There is little correlation between the productivity level in 1960 and the growth rate between 1960 and 2005 for the developing countries.