With no explanation, chose the best option from "A" or "B". Ursula is babysitting young children and it is time for them to go to bed. Ursula wants the kids to stay in their rooms.

A: Ursula reads the children book after book until she sees that they are all sound asleep and tucks them in.
B: Ursula tells the children a tall tale about mysterious things that happen to children who leave their rooms at night and how they might vanish.
A.