You Are Testing the Activity of a Fatty Acid Analog

You are testing the activity of a fatty acid analog for efficacy in the treatment of the hyperglycemia associated with Type 2 diabetes. You find that inclusion of the compound in the diet of these test subjects results in an increased release of the gut hormone GLP-1. Which of the following fatty acid-binding receptors is most likely activated by your compound in the gut of the test subjects accounting for the observed response?

A) GPR35
B) GPR40
C) GPR41
D) GPR55
E) GPR120