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
Ligand for peroxisome proliferation activating receptor (PPAR), a group of nuclear hormone receptors that are involved in the regulation of genes related to glucose and lipid
metabolism is 
Select and explain. 
A. Repaglinide, B. Voglibose, C. Exanatide, D. Rosiglitazone
D: Rosiglitazone
Answer: D: Rosiglitazone 
Explanation: None