Choose the word(s) that doesn't belong to the group

Here are the words that don't belong to the group:

1. **1. D. garden** - This does not fit with the others, which relate to activities or descriptions.
2. **2. D. mechanic** - This stands out as a profession, while the others are more abstract concepts or descriptors.
3. **3. D. loudly** - All others are adverbs that describe manner or method, while "loudly" does not fit the context.
4. **4. D. broom** - This item is a tool, differing from the others which can be musical instruments or related to music.

If you need further clarification on any of these, let me know!