<ol>
<li>Jean Toomer was (not only) the author of Cane, a novel whose publication (has been viewed) (as marking) the beginning of the Harlem Renaissance, but also a respected advisor among Quakers. </li>
</ol>
<p>Answer: No Error</p>
<p>Why is this sentence no errror? I thought that (as marking) should have been replaced by (the mark of).</p>
<hr>
<ol>
<li>The common cold is (one of our most) indiscriminate diseases; (it makes) no (distinction between) (you and me), millionaires and paupers, or athletes and couch potaotes.</li>
</ol>
<p>Answer: No Error</p>
<p>Again, not sure why this sentence is no error. I picked (one of our most) because I thought that it should have been, (one of the most).</p>
<hr>
<ol>
<li>Electronic bulletin boards, combining the convenience of a telephone with the massive information storage capacity of a computer, present messages on (diverse subjects as) astronomy, artificial intelligence and skydiving.</li>
</ol>
<p>**Answer: <a href="subjects%20as%20diverse%20as">/b</a></p>
<p>Why is this correct?</p>
<hr>
<p>Thank-you!</p>