We Can Reduce Our Ecological Footprint by Using Less of a Resource

We can reduce our ecological footprint by using less of a resource or purchasing goods that will last.Which of the following is the best example of minimizing your ecological footprint in this way?

A) buying disposable bottles of water but recycling them when you are finished drinking
B) reusing your shopping bags at the grocery store instead of using plastic bags
C) buying a refillable water bottle and using the water stations around campus
D) buying a notebook made from recycled paper