Identify the correct pathway of milk secretion from the mammary glands.

• A
  Alveoli $\rightarrow$ Mammary tubules $\rightarrow$ Mammary ducts $\rightarrow$ Mammary ampulla $\rightarrow$ Lactiferous duct $\rightarrow$ Nipple
• B
  Mammary lobes $\rightarrow$ Mammary tubules $\rightarrow$ Mammary ducts $\rightarrow$ Mammary ampulla $\rightarrow$ Lactiferous duct $\rightarrow$ Nipple
• C
  Mammary ducts $\rightarrow$ Mammary tubules $\rightarrow$ Lactiferous duct $\rightarrow$ Mammary ampulla $\rightarrow$ Nipple
• D
  Milk secreting cells $\rightarrow$ Milk ducts $\rightarrow$ Mammary tubules $\rightarrow$ Mammary ducts $\rightarrow$ Nipple