Which of the following best explains why drinking breast milk is beneficial to a human infant?
(A)Breast milk contains vitamins that repair mutations originating in the sperm or egg. (B)Breast milk contains maternal antibodies that protect against gastrointestinal pathogens. (C)Breast milk contains maternal vaccines that destroy common childhood pathogens. (D)Breast milk contains red blood cells with adult hemoglobin that are beneficial to the infant's developing brain.
B