<p>During the American civil war, American Red Cross founder Clara Barton ministered to soldiers on the ** battlefields, at Antietam, so close was she to the actual fighting ** that a bullet pierced her sleeve.</p>
<p>I chose </p>
<p>E. battlefields; she was at Antietam so close to the actual fighting so…</p>
<p>The answer is</p>
<p>D. battlefields; at Antietam, she was so close to the actual fighting…</p>
<p>(E) mis-employs a correlative conjunction. The proper form is “so [adjective]…that” as in “I was so big that I bumped the elephant.” Analogously with choice (E), that would read “I was so big so that I bumped the elephant.” “so” is incorrectly repeated.</p>
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<p>“Antietam” is a reference to the location of the battle.</p>