A. edema and growth failure.B. nausea, vomiting, and diarrhea.C. increased appetite and hyperactivity.D. overweight and an excess accumulation of fat. The major symptoms of kwashiorkor in children are. A. edema and growth failure. B. nausea, vomiting, and diarrhea. C. increased appetite and hyperactivity. D. overweight and an excess accumulation of fat.