50. What is the correct order of the digestive organs after the esophagus of ruminants?
(A) rumen→reticulum→omasum→abomasum
(B) abomasum→omasum→reticulum→rumen
(C) rumen→omasum→reticulum→abomasum
(D) abomasum→rumen→reticulum→omasum. -5- <試題到此結束>

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