What Was the Most Important Accomplished of the 2005 G-8

What was the most important accomplished of the 2005 G-8 meeting in Gleaneagles, Scotland?

A) The G-8 decided to double the foreign aid its members provide to poor countries.
B) The G-8 agreed to remove subsidies on agricultural exports and tariffs on commodities from poor countries.
C) The G-7 became the G-8 by admitting Russia to its membership.
D) The G-8 agreed to forgive debt owed by the world's poorest countries.