Which Is a Correct Statement About the Tenth Amendment

Which is a correct statement about the Tenth Amendment?

A) The federal courts have frequently used this amendment to invalidate national government actions.
B) In spite of this amendment,the U.S.Supreme Court in McCulloch v.Maryland permitted federal action through implied powers.
C) The federal courts used this amendment to allow the national government to commandeer state agencies to the service of the federal government.
D) The Tenth Amendment states that all powers not explicitly delegated to the national government are reserved to the states exclusively.