Which of the Following Pairs of Goods Includes a Good

Multiple Choice

Which of the following pairs of goods includes a good that is excludable and rival in consumption as well as a good that is not excludable and not rival in consumption?

A) tablet computer, gym membership at a gym that always has plenty of open equipment and classes
B) tablet computer, national defense
C) congested nontoll road, national defense
D) online music subscription, streetlight