Which one of the given responses would be a meaningful order of the following?
1. Large intestine 2. Rectum
3. Small intestine 4. Mouth
5. Stomach 6. Oesophagus
6, 4, 2, 1, 3, 5
4, 6, 3, 2, 5, 1
4, 6, 5, 3, 1, 2
4, 6, 5, 3, 1, 2
C.
4, 6, 5, 3, 1, 2