When an infant suckles at its mother's breast, milk moves through the breast structures in what order?
A) Lactiferous sinus - lactiferous duct - acinus - nipple
B) Lactiferous sinus - acinus - lactiferous duct - nipple
C) Lactiferous duct - acinus - lactiferous sinus - nipple
D) Acinus - lactiferous duct - lactiferous sinus - nipple
D
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