Concept:Colostrum is the natural first milk secreted after birth, not a manufactured dairy product.Explanation:The first milk produced after parturition is colostrum, so option B is correct.It contains high levels of antibodies, so option C is correct.It is rich in proteins and vitamins, so option D is correct.Evaporated milk is a processed product, not colostrum, so option A is false.Answer:A. an evaporated milk