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In a traditional economy there isn't a thing as "black market" - all exchange is legal and no exchange needs to be taxed - so it's not a good answer.
The correct answer is: command. This is the case now in Venezuela, which is a command economy and which has a very thriving black market.
The answer is A. Johnny has many of the same rights as adults to due process.
The 14th Amendment—not just for adults anymore. In the case of in re Gault, the U.S. Supreme Court ruled that “neither the 14th Amendment nor the Bill of Rights is for adults alone.” That means the Constitutional rights of juvenile suspects are now protected, just as they are for legal adults.