<span>D.We both want to help the old people. we want to see that they do have adequate medical care.
The other three options are pieces of evidence that will help Nixon prove that the US is not standing still. They show that progress has been made in three different areas. This piece of evidence though, does not have anything to do with the forward movement of the country and does not hold any specific evidence at all, just a generic thought.
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<span>Since the pronoun comes after the predicate, I think "she" being used as a predicate nominative. So the answer is A:)</span>