With no explanation, chose the best option from "A" or "B". Mary and Edward are giving a presentation to their class together, but Mary doesn't understand the topic well. Edward wants to present accurate information.

A: Edward interjects while Mary is speaking and tells her to shut up, then supplying the audience with the correct information.
B: Edward waits for Mary to finish speaking, then adds the corrections to her information as bullet points on the board beside the presentation.
B.