city92
The World Wildlife Fund has declared that global warming,
a phenomenon most scientists agree to be caused by human beings in burning fossil fuels, will create havoc among migratory birds by altering the environment in ways harmful to their habitats.
(A) a phenomenon most scientists agree to be caused by human beings in burning fossil fuels,
The final addition of 'in' the end of sentence distorts the meaning intending as though burning of fossil fuel mis the real reason for global warming
(B) a phenomenon most scientists agree that is caused by fossil fuels burned by human beings,
the inclusion of that in the sentence is absolutely uncessary distorts the entire meaning
(C) a phenomenon that most scientists agree is caused by human beings' burning of fossil fuels,
This nails the meaning and iron out all the flaws let us hang on to it
(D) which most scientists agree on as a phenomenon caused by human beings who burn fossil fuels,
which and as a is not required which makes it akward and unnecessay moreover distorts the meaning
(E) which most scientists agree to be a phenomenon caused by fossil fuels burned by human beings,
Similar reasoning as D