Correct Option (c) kwashiorkor
Explanation:
Prolonged starvation causes marasmus disease due to a generalised wasting of body because of both energy and protein deficiency. The body becomes lean and weak, eyes depressed and skin wrinkled.
Kwashiorkor is a disease caused by continued deficiency of proteins in diet although energy intake may be adequate.
Rickets (in children) occurs due to the deficiency of vitamin-D.
Pellagra occurs due to the deficiency of nicotinamide (vitamin-B5).