In 2007, India Signed an Agreement with Another Country That

In 2007, India signed an agreement with another country that could improve its energy and environmental outlook. What country was it, and what did the agreement specify?

A) India signed an agreement to encourage Japanese companies to invest in India's energy sector and transfer energy-saving technology.
B) India signed an agreement with the Russian government to purchase oil at a bargain price.
C) India signed an agreement with Sri Lanka to work together to develop solar energy technology.
D) India signed an agreement to encourage U.S. industries to work with it to develop its nuclear energy industry.
E) India signed an agreement with Iran to purchase natural gas.