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

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 Afric

A．discoveries of the social sciences also represent scientific advances
B．social sciences lack the rigor that characterizes natural sciences
C．discoveries of the social sciences are being abused
D．there should be a strict separation between pure and applied social sciences