I think that this is a poorly worded poll, with trick alternatives.
How about:
D. No.  They are safe from danger and are well-fed and cared for. 
It has many advantages over being food prey to sharks and humans, and subject to disease and starvation.
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I wonder if the protestors would like to be plunked down in a jungle somewhere with a loin cloth and a bow and arrow, so they could be free to live out their natural lives?