Many species are threatened with extinction due to deforestation and loss of habitat.

• A. Deforestation and loss of habitat threaten many species so that they will become extinct.
• B. Many species lost their habitat because of deforestation and now they are extinct.
• C. Deforestation and loss of habitat are driving many species to the verge of extinction.
• D. Many species are extinct, so they run the risk of deforestation and loss of habitat.