List the Sections of the Small Intestine as They Occur

Multiple Choice

List the sections of the small intestine as they occur between the stomach and the large intestine:
1 Ileum
2 Duodenum
3 Jejunum

A) 3, 2, 1
B) 1, 2, 3
C) 2, 3, 1
D) 3, 1, 2
E) 2, 1, 3