Definitely B. It's the kind where you really would like to select a carp from the tank but you are not from the appropriate hemisphere of the world, so in spite of your waved twenty-dollar bill the man behind the counter waves a cleaver at you and says "You take home alive. No kill. No gut," and then goes back to beheading and gutting out carp for Mrs. Chen, Mr. Ngoun, and the Misses Lee.