The question raised by McCulloch v. Maryland was whether A. federal taxes were unconstitutional B. a state license was more important than a federal one C. Congress could use its implied powers D. the Supreme Court could declare laws unconstitutional

The case was that which defined the scope of the federal legislative power and government relationship. The judge of the case was Chief Justice John Marshall. The question raised in this case is the federal taxes were unconstitutional. Thus, the answer is letter A.