C. Marge felt that the chances of the expensive, new car malfunctioning were remote.
Option C uses the antonym of the word "imminent" by using the word "remote." While "imminent" suggests something is about to happen or is close at hand, "remote" implies the opposite, indicating that something is unlikely to happen or is far off. In this context, Marge feels that the chances of the expensive, new car malfunctioning are remote, meaning she believes it is highly unlikely to happen