Immunity can be transferred from mother to child. When the child's immunity is acquired
A. through the placenta or through breastmilk, it is passive immunity.
B. through the placenta, it is passive immunity, but through breastmilk it is active immunity.
C. through the placenta or through breastmilk, it is active immunity.
D. through the placenta, it is active immunity, but through the breastmilk it is passive immunity.
Answer: A
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