2．The film Jurassic Park is popular because ________. A．people are interested in the subject of cloning B．it was directed by a scientist who clones dinosaurs C．all the actors are dinosaurs D．it proves very interesting 3．Which of the following is TRUE according to the text? A．Mice were cloned in 1981. B．Dolly the sheep was the first cloned animal. C．The name of the cloned cow is“Bison”． D．China was successful in cloning mammals.