Which sentence contains an adverb?

Question

AThree brown-and-white birds chirped.incorrect answer
BThe gymnast's routine was perfectly executed.incorrect answer
CA sluggish Tim stumbled to the bus stop.incorrect answer
DTim had trouble answering the difficult question.incorrect answer

Answer 1

The correct answer is C: "A sluggish Tim stumbled to the bus stop." The word "sluggish" is an adverb describing how Tim stumbled.