Answer:
<h3><em>doubtful</em></h3><h3><em>indefinite</em></h3><h3><em>uncertain</em></h3><h3><em>unsure</em></h3><h3><em>doubting</em></h3><h3><em>dubious</em></h3><h3><em>faltering</em></h3><h3><em>hesitant</em></h3><h3>
Explanation:</h3><h3><em>questionable</em></h3><h3><em>unconfident</em></h3><h3><em>undecided</em></h3><h3><em>unfixed</em></h3><h3><em>unpredictable</em></h3><h3><em>unreliable</em></h3>
My guess would be A.<span>It causes the lines to stand out so the reader reflects on their importance. But I'm only 98% sure on that so don't just rely on my answer lol. I still hope it helped a bit! Good Luck! :)</span>