<ol>
<li><p>The famous filmaker (had a tendency) (of changing) his recollections, perhaps (out of boredom) (at having) to tell interviewers the same story over and over. No error.</p></li>
<li><p>The television station (has received) many complaints (about) the clothing advertisements, (which some) viewers condemn (to be) tasteless. No Error</p></li>
</ol>
<p>WHY IS NUMBER 1 B and NUMBER 2 D???
Thanks!</p>