What Does the Convergence Hypothesis State

What does the convergence hypothesis state?

A) Since they have a high ratio of capital per worker, rich countries will always grow faster than poor countries.
B) Poor countries will grow at a rate that is higher than the average rate of economic growth.
C) Rich and poor countries will exhibit persistent disparities in economic growth rates.
D) Since they have a low ratio of capital per worker, poor countries will always grow slower