WE / BELIEVE/ HUMAN LIFE / CAN/ PROLONG / DRUG.A. WE BELIEVE THAT H...

35.We / believe/ human life / can/ prolong / drug.A. We believe that human life can prolong by the drugB. We believe that human life can be prolonged by the drug.C.We believe that human life could be prolonged by the drug.D. We are believed that human life can be prolonged by the drug.