In the sentence "Had she known about the meeting, she would have attended it," which aspect of the verb structure is demonstrated?
- A Past perfect; it shows an action that was completed before another past action.
- B Present perfect; it emphasizes the relevance of the past to the presente.
- C Simple past; it indicates a completed action in the past.
- D Future perfect; it suggests an action that will be completed before a specified future time.
- E Conditional perfect; it indicates a hypothetical situation in the past.
