Among the statements provided, the following one best describes a good conclusion:
A good conclusion refers to the major themes of the piece.
This statement emphasizes the importance of summarizing and reflecting on the main points and themes discussed in the text, which is a key aspect of an effective conclusion.
The other statements have limitations:
- Ending with a question can be effective, but it is not a requirement for a good conclusion.
- Including an interesting fact that did not fit elsewhere may not be relevant to the conclusions drawn in the text.
- Restating the introduction can sometimes be useful, but it should not be the primary focus of a conclusion; it should synthesize rather than just repeat.