Finding the Balance

The text should be both easy and difficult to read and understand

The text should be neither too easy nor too difficult to read and understand (correct)

The text should be very easy to read and understand

The text should be very difficult to read and understand

Neither too easy nor too difficult (correct)

Very difficult

Both easy and difficult

Very easy

To make it more entertaining for readers

To make it more challenging for readers

To confuse readers

To ensure comprehension and engagement (correct)