The correct answer is: B. The incorrect word has a wavy red line under it.
The other options are incorrect because:
- A. The incorrect word does not appear in all capital letters.
- C. The incorrect word does not appear italicized.
- D. The incorrect word does not appear bold.
When you type a word that is not in the dictionary, the word will appear with a wavy red line under it. This is a visual cue that the word is misspelled. You can right-click on the word to see a list of suggested corrections, or you can add the word to your dictionary.