If You Make the Voluntary Action of Unlocking Your Bike

Multiple Choice

If you make the voluntary action of unlocking your bike and riding it down the street, which situation would make this an endogenous act?

A) You are riding your bike because you need to go class
B) You are riding your bike because you wish to reduce your carbon footprint
C) You are riding your bike because you hope to burn calories
D) You are riding your bike because you enjoy bike rides