Which of the Following Is True

Which of the following is true:

A) The overwhelming majority of drug development is not meant to address the infectious and parasitic diseases that affect low-income countries
B) About 50% of all drug investments are meant to address the infectious and parasitic diseases that affect low-income countries
C) About 25% of all drug investments are meant to address the infectious and parasitic diseases that affect low-income countries
D) In the last decade, almost 75% of all drugs investments by China and India have been oriented toward the "diseases of the poor"