The International Poverty Line at $1

The international poverty line at $1.90 a day at purchasing power parity means that in each country the poverty line is the amount that will allow you to buy a basket of goods equivalent to what $1.90 would buy:

A) in the United States.
B) in the richest of the countries that uses the index.
C) in the poorest of the countries that uses the index.
D) in the average economy of all the countries that use the index.