32. 下列關於便祕的描述，何者正確？
(1) Risk factors for constipation 包括advanced age、male gender、high level of education 等。
(2) Secondary Causes of Constipation 包括mechanical obstruction、 medication、metabolic disorders、neurological disorders.
(3) Constipation may be aggravated by stress or may be a manifestation of emotional disturbance.
(4) Dietary fiber appears to be effective in relieving mild to moderate but not severe constipation.
(5) Mineral oils alter the stool by undergoing emulsification into the stool mass and providing lubrication for stool passage.
(A) (1)＋(2)＋(3)
(B) (2)＋(3)＋(5)
(C) (1)＋(3)＋(4)
(D) (2)＋(3)＋(4)＋(5)
(E) (1)＋(2)＋(3)＋(4)＋(5)