The digestive tract including the （）

The digestive tract including the （）
A.esophagus, stomach, intestine and anus
B.mouth, stomach, intestine and anus
C.mouth, pharynx, esophagus, stomach and intestine
D.mouth, pharynx, esophagus, stomach, intestine and anus
正确答案：mouth, pharynx, esophagus, stomach, intestine and anus