I believe the answers are B and C
Hope this helps :)
Answer:
see there are many stories you are asking which one please explain briefly
Fear can’t hurt more then a dream.:)
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