The "Dormant" Aspect of the Commerce Clause

The "dormant" aspect of the Commerce Clause

A) is also known as the "negative" aspect.
B) means that there are many unused powers still available to the government to regulate trade between the states.
C) guarantees that Congress has the power to regulate trade with foreign countries that have not yet developed trade practices with the United States.
D) guarantees that the states have the power, even if unused, to impose regulations affecting interstate commerce.