What does the word 'utter' mean in the sentence: 'He uttered a loud warning'?
答案解析
**Core Concept:** Verb definition (utter).
**Analysis:** **B. to speak or produce sound** matches 'uttered a warning'.
- **A** confuses 'utter' with 'finish'.
- **C** and **D** are unrelated actions. The verb form of 'utter' specifically involves vocalization.
正确答案：B