Finish the following sentence with the best choice: How to keep a book open without using your hands when reading in bed?

Choices:
- use a binder clip at the meeting point of the pages at the top and prop the book up on your legs
- use a binder clip at the corner edge of one of the pages and prop the book up on your legs

Answer:
use a binder clip at the meeting point of the pages at the top and prop the book up on your legs