(B)
You might wonder how killer whales are trained and how they learned to perform and (11) their trainer's instructions . The system developed (12) David Butcher, the trainer at Sea World, depends on the (13) that the whales like to have lots of attention . So the trainers (14) the animals lots of attention when they do ( 15 ) they are supposed to and just ( 16 ) pay any attention at all when they (17) . This method has been a great (18) .
Mr Butcher's dream is to help (19) down communication barriers so much that ( 20 ) and animals understand each other (21) . The birth of whales was a (22) in this direction. They are first killer whales to grow up ( 23 ) people. The killer whales have learned (24) people and the other killer whales, and the trainers have learned ( 25 ) about these clever funny - looking animals of the sea .
[    ]11．A．act   B．follow  C．play   D．listen
[    ]12．A．with   B．to   C．from   D．by
[    ]13．A．idea   B．plan  C．demand   D．feeling
[    ]14．A．draw   B．give  C．attract  D．call
[    ]15．A．that   B．which  C．all which   D．what
[    ]16．A．don' t    B．can't  C．have to   D．couldn't
[    ]17．A．do   B．don' t   C．play    D．act
[    ]18．A．correctness   B．success C．truth    D．interest
[    ]19．A．put  B．let   C．turn   D．break
[    ]20．A．he   B．people   C．whales   D．Mr Butcher
[    ]21．A．good    B．clear   C．better   D．right
[    ]22．A．station   B．stop   C．step   D．foot
[    ]23．A．by   B．from   C．like   D．with
[    ]24．A．about      B．on    C．from      D．same
[    ]25．A．from     B．so   C．more  D．same