With no explanation, chose the best option from "A" or "B". Emery is teaching her students how to convert fractions into decimals, but she is having a hard time because she has never understood this well. Emery wants to finish the lesson today.

A: Emery comes up with a way of converting the fractions that she thinks might be right and explains it to the class for their daily lesson.
B: Emery meets with another teacher during lunch, learns how to do the conversion, and is able to teach the students correctly.
B.