The noise I made unlocking my own must have startled her, for all was perfectly quiet when I got there.

I waited a moment, then I turned the knob and called her: she did not reply and I called again.

Then she came to the door, but did not unlock it.

'What is it ?' she asked.

'O,' said I, 'I thought I heard talking here and I was frightened,' 'It must have been next door,' said she.