You could always define what you mean by "things" give examples etc. If you are reffering to an object you could say item instead. If you are reffering to a task you could use the words tasks, activity, goals etc.
Explanation:
A good way for replacing words is looking up synonyms :)
<span>the answer is B>"As in Beckett's play, Rosencrantz and Guildenstern pass the time by impersonating other characters, engaging in word play, and remaining silent for long periods of time." </span>
