I don't agree with your viewpoint. When the option says 'the birds', it's logically referring to the shorebirds.
Issue with A is that nutritious value and accessibility of eggs are not the issues at hand here.
Let's walk through the argument.
Imagine a nice, beautiful sea shore. Come May and I see a lot of crabs coming down to the shoreline but hey! what are they doing here ?
I see, they are laying lots and lots of eggs. Ok.
I also see certain birds coming here and feeding on these eggs. People tell me
...
Issue with A is that nutritious value and accessibility of eggs are not the issues at hand here.
Let's walk through the argument.
Imagine a nice, beautiful sea shore. Come May and I see a lot of crabs coming down to the shoreline but hey! what are they doing here ?
I see, they are laying lots and lots of eggs. Ok.
I also see certain birds coming here and feeding on these eggs. People tell me
...




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