A
this is because it all happens at night when Duncan is asleep.
Hope this helps
The second one, "Have you been listening to Mozart, or have you another favorite?"
Knots usually take 1 minute or so to do. If you keep on tying the knots and get used to the pattern, you will get faster and faster and eventually will be able to do it in 4 seconds. It is kind of like picking strawberries. If you keep on picking strawberries and timing yourself, you will get faster like when you typed the knot
I don’t understand what you’re trying to ask?