If You Observe an Animal Ingesting Large Amounts of Food

If you observe an animal ingesting large amounts of food at short intervals and material entering and leaving from the same place,also frequently,you could say that

A) this is probably an endotherm with an incomplete digestive tract.
B) this is probably an ectotherm with an incomplete digestive tract.
C) this is probably an endotherm with a complete digestive tract.
D) this is probably an ectotherm with a complete digestive tract.
E) None of the answer choices are correct.