The word that BEST replaces "recoiled" in the sentence is C cringed.
Both "recoiled" and "cringed" convey a sense of discomfort or aversion to something unpleasant, which fits the context of Elaine's reaction to the motel sign.
Here are the meanings of the other options in this context:
A. leaped - implies jumping or springing up suddenly, which does not fit the sense of aversion. B. hesitated - suggests a pause or delay, but does not capture the reaction of disgust or discomfort. D. blinked - simply indicates a reflexive action of closing and opening the eyes, which does not convey any emotional response.
Thus, "cringed" is the most appropriate choice.