UPSC CDS 1 2022 English Paper

The correct answer is 'so you must lie on it.'
Key Points
- The word "as" would usually describe a time frame of an action, and "so" would give you the consequential event from said action or an event that occurred at the same time frame of "as."
- Example: As the cities crumbled, so did new ones arise.
- Correct sentence: As you have made your bed so you must lie on it.