Okay, there has been a lot of modifications to the question and everything seems to be resolved.
But then Why A but not C (post edit)?
(A)declines in water reserves ......are driving away...
(C) shrinking water reserves....are driving away...
To me, there's not much difference in the meaning. Or, both convey fine things. What makes (A) better than (C)
But then Why A but not C (post edit)?
(A)declines in water reserves ......are driving away...
(C) shrinking water reserves....are driving away...
To me, there's not much difference in the meaning. Or, both convey fine things. What makes (A) better than (C)
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