单项选择题
A．give Keiko a simulated stay in the wild B．immediately set him free C．take him on a tour of Europe D．move him to another aquarium
A．will set him free anyway B．will bring him back to the United States C．will kill him D．will take care of him for the rest of his life
A．Kansas, Delaware, and Alabama. B．Delaware, Tennessee, and Alaska. C．Tennessee, Alaska, and Kentucky. D．Oregon, Delaware, and Ohio.