💡 Detailed Explanation
The prefix '再' (sai-) means 're-' or 'again.' '再検討' (saikentō) means 'to reconsider.' The other prefixes do not fit the context: '未' (mi-) means 'not yet,' '不' (fu-) means 'non-' or 'un-,' and '総' (sō-) means 'general' or 'total.'