People believe that hundreds of homeless children are living on the streets

7. People believe that hundreds of homeless children are living on the streets.
      A. It is believed that hundreds of homeless children are living on the streets.
      B. Hundreds of homeless children are believed to be living on the streets.
      C. Hundreds of homeless children believe to be living on the streets.
      D. A & B are correct.
8. Does Professor Jackson teach that course?
    A. Is that course teach by Prof. Jackson?          
    B. Has that course been taught by Professor Jackson?
    C. Is that course taught by Professor Jackson?    
    D. Was that course taught by ProfessorJackson?
9. People said that Tom stole that bicycle.
    A. Tom is said to steal that bicycle.    B. Tom is said that to steal that bicycle.
    C.  Tom was said to steal that bicycle.    D. Tom were said t