Select option 3
Interpolate means find a value within those given. Thus you may not go outside those limits.
The chapters listed are 1 to 9.
you would have to select option 3
Strictly speaking there is a flaw in the description given.
If it is 'between' 1 and 9 it means you can not accept 1 or 9 but only those values between.
The wording should be from 'from chapter 1 to 9 inclusive'.