Which of the Following Does the Author Identify as a Success

Which of the following does the author identify as a success the global economy has achieved in the past sixty years?

A) School enrollments have more than doubled across the globe.
B) Infant mortality rates have dropped by more than 60 percent.
C) A reduction in poverty: fewer than one million people across the globe go hungry each day.
D) Life expectancy has risen by 50 percent to seventy-eight years in the past century.
E) A decline in child malnutrition resulting in fewer than one million deaths annually.