Using the World Bank Development Indicators data from Question 4, what was the percentage change between 2006 and 2015 for infant mortality rates in low-income countries?
A、Approximate decline of 40%
B、Approximate increase of 15%
C、Approximate decline of 15%
D、Approximate increase of 5%
E、Approximate decline of 27%
发布时间：2024-12-19 20:42:59
