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    A survey conducted in 2002 by the Computer Security Institute, a private organization in the USA, showed that 90 percent of the 503 biggest companies and government departments questioned their security systems broken into in the previous year. A. having B. had C. had had D. to have 【查看更多】

     

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    A survey _______ in 2002 by the Computer Security Institute, a private organization in the USA, showed that 90 percent of the 503 biggest companies and government departments questioned _______ their security systems _______ into in the previous year.

    A. conducted ; had ; broke                      B. conducted; had had ; broken

    C. was conducted ; had had ; broken       D. to be conducted; had ; broke

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     A survey _______ in 2002 by the Computer Security Institute, a private organization in the USA, showed that 90 percent of the 503 biggest companies and government departments questioned _______ their security systems _______ into in the previous year.

    A. conducted ; had ; broke               B. conducted; had had ; broken

    C. was conducted ; had had ; broken       D. to be conducted; had ; broke

     

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    .（2010·湖南岳阳一中高三第二次月考）34. A survey _______ in 2002 by the Computer Security Institute, a private organization in the USA, showed that 90 percent of the 503 biggest companies and government departments questioned _______ their security systems _______ into in the previous year.

    A. conducted ; had ; broke              

    B. conducted; had had ; broken

    C. was conducted ; had had ; broken      

    D. to be conducted; had ; broke

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