In the passage the author elaborates on the following forms of malnutrition EXCEPT______.

A．WHO's mission and achievements
B．micronutrient malnutrition and its negative effects on children's health
C．the inadequate health care system in the world
D．the rising infant mortality and its causes

A．Over half of the deaths of children under-five are associated with malnutrition.
B．In south Asia, the number of malnourished children is on the rise.
C．More and more countries have reliable data on young children underweight.
D．Most of the malnourished children live in Africa.