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 It is global warming, rather than other factors, _______ the extreme weather.

  A that have led to   B which has caused   C which are causing   D that has led to

It is global warming, rather than other factors,_____ the extreme weather.

    A. that have led to   B. which has caused  C. which are causing  D. that has led to

It is global warming, rather than other factors, _______ the extreme weather.

  A that have led to   B which has caused   C which are causing   D that has led to

It is global warming, rather than other factors, ___the extreme weather.

 A. that have led to                          B .which has caused 

C. which are causing                        D. that has led to

It is global warming, rather than other factors, _______ the extreme weather.
A that have led to   B which has caused  C which are causing   D that has led to

It is global warming, rather than other factors,_____ the extreme weather.

It is global warming, rather than other factors, _____the extreme weather.

       A．that has led to              B．which are causing

       C．which has caused            D.．that have led to

It is global warming, rather than other factors,_____ the extreme weather.