Which sentence demonstrates correct tense consistency?

A. She finished her report before the meeting starts.

B. She finishes her report before the meeting started.

C. She had finished her report before the meeting started.

D. She has finished her report before the meeting starts.

答案解析

**Core Concept**: Past perfect tense for actions completed before another past action. **Analysis**: - **C** is correct. 'Had finished' (past perfect) clearly precedes 'started' (simple past). - **A/B/D** mismatch tenses (e.g., present 'starts' with past 'finished'). **Why Others Fail**: Tense sequencing errors obscure timeline clarity.

正确答案：C

Which sentence demonstrates correct tense consistency?

答案解析

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