Which of the Following Observations Would Be Consistent with a Binding

Which of the following observations would be consistent with a binding price floor in a market?

A) A smaller quantity of the good is bought and sold after the price floor becomes effective than before the price floor became effective.
B) A smaller quantity of the good is demanded after the price floor becomes effective than before the price floor became effective.
C) A larger quantity of the good is supplied after the price floor becomes effective than before the price floor became effective.
D) All of the above are correct.