9 .
DORIS: And do you know, she doesn't look the sort to even open a book. But she's quite the best, the comments she comes out with in class. She can't spell, of course. (Pause.) But it just goes to show: you can't judge by appearances. Jack was wrong.
What information is conveyed by Doris's pause?
It shows that she is still keeping secrets in the family
It shows that she is losing the power of speech in her age
It shows that she is not sure what she ought to say to her great-granddaughter
It shows that she is reconsidering what she has just said