Why the answer is C, and why the others tempt you.
## The reasoning
An **adverb** is a word that describes *how*, *when*, *where*, or *to what extent* an action happens. It typically modifies a verb, adjective, or another adverb.
In "She sang sweetly," ask yourself: *How did she sing?* The answer is **sweetly** — that's describing the *manner* of the singing.
- "She" = pronoun (the person doing the action)
- "sang" = verb (the action itself)
- "sweetly" = adverb (tells us *how* she sang)
A quick trick: many adverbs end in **-ly** (quickly, badly, carefully). This makes "sweetly" stand out immediately.
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## Why the wrong options tempt you
**A) She** — You might think it's important because it starts the sentence, but it's just the subject (a pronoun).
**B) sang** — This is the action word (verb), not the word *describing* the action.
**D) song** — This isn't even in the sentence! It's a trap for students who confuse "sang" (verb) with "song" (noun).
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## Quick takeaway
**Adverbs answer "how?" about the verb — and often end in -ly.** If you can ask "how did they do it?" you've found your adverb!
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