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With more forests being destroyed, huge quantities of good earth _______ each year.

A. is washing away     B. is being washed away

C. are washing away    D. are being washed away

With more forests being destroyed, huge quantities of good earth _______ each year.

              A. is washing away                             B. is being washed away

C. are washing away                         D. are being washed away

With more forests being destroyed, huge quantities of good earth ____ each year.

A. is washing away          B. is being washed away 

C. are washing away         D. are being washed away

 With more forests being destroyed, huge quantities of good earth ________ each year.

A. is washing away                                          B. is being washed away

C. are washing away                                        D. are being washed away

With more forests being destroyed, huge quantities of good earth ______ each year.

A. is washing away                  B. is being washed away

C. are washing away                    D. are being washed away