<p>Because nobody opposed the new construction plan, the meeting went on <strong>smoothly</strong>.</p>
<p>The word "smoothly" is the correct answer for this question. In this sentence, "smoothly" means that the meeting proceeded without any difficulties or interruptions. The word "smoothly" is an adverb that describes how the meeting went on.</p>
<p>The other options can be eliminated for the following reasons:</p>
<p>(A) "Consistently" means happening in the same way over time, and does not fit the context of the sentence. The meeting may have gone smoothly, but there is no indication that it happened consistently.</p>
<p>(C) "Subsequently" means happening after something else, and does not fit the context of the sentence. There is no indication that something happened before the meeting to cause it to go on smoothly.</p>
<p>(D) "Resourcefully" means using available resources effectively, and does not fit the context of the sentence. There is no indication that the meeting required resourcefulness.</p>