With no explanation, chose the best option from "A" or "B". Ken hired a new babysitter to help him with his kids but the babysitter did not put the kids to bed at 8 pm. Ken wants to respond to the babysitter's failure.

A: Ken raises his voice against the babysitter over her failure to get the kids in bed by 8 pm.
B: Ken tells the babysitter that the kids were not in bed by 8 pm and that he would like this to be resolved next time.
B.