Correct Answer:
Option C - In the given options, Lethargic, Passive and Sluggish are the synonyms of each other but Vivacious is the antonyms of these words. So, option (c) is different one.
C. In the given options, Lethargic, Passive and Sluggish are the synonyms of each other but Vivacious is the antonyms of these words. So, option (c) is different one.