This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Vitamin D 
Select and explain. 
A. Absorption requires bile pigments, B. Synthesis is regulated at the reaction catalyzed by 15-hydroxylase, C. Deficiency on adults leads to rickets, D. Along with PTH, increases calcium resorption from bone
D: Along with PTH, increases calcium resorption from bone
Answer: D: Along with PTH, increases calcium resorption from bone 
Explanation: None