With no explanation, chose the best option from "A" or "B". Timmy comes running into the living room and tells his father, Don that he wants to be an astronaut. Don wants to respond to Timmy's statement.

A: Don tells Timmy that being an astronaut is nearly impossible and that he should pick a more realistic goal for himself.
B: Don tells Timmy that it's wonderful that he wants to be in space and that he should work really hard at it to achieve that dream.
B.