Answer: C) nice.
Explanation: being precise is being marked by exactness and accuracy of expression or detail (refer to an exact or particular thing). From the given options, the word that would be the best to replace in order to create more precise wording, is the corresponding to option C: nice, because in contrast to the other words (that have a precise meaning) the word "nice" can be interpreted in different ways (it doesn't have an exact denotation in this context).
