In a sentence, the words <em>down the stairs </em>would be a A. prepositional phrase, since it begins with the word <em>down, </em>which is a preposition.
<span>The answer is sequential. Something that is sequential frequently shadows a numerical or alphabetical instruction, but it can likewise define things that aren't totaled but still essential to happen in a rational order, for instance the sequential stages you keep an eye on for running a package on your computer.</span>
From the definition of absolute phrases we know that it is a modifier that attaches to a sentence without a conjunctution. So, we can say "his chubby legs, pumping" is the correct answer.
