Which of the Following Is True

Which of the following is true?

A) In 1960,the per capita income levels of Hong Kong and Singapore were greater than those of the United States and Canada.
B) The economies of Hong Kong and Singapore have grown slowly in recent decades.
C) Economic freedom ratings indicate that both Hong Kong and Singapore rank among the world's freest economies.
D) Economic freedom ratings indicate that Nigeria and Venezuela rank among the world's freest economies.