With no explanation, chose the best option from "A" or "B". John and Bill decide to show up at their friend Kevin's house unannounced one evening. Kevin wants to express his surprise at their visit.

A: Kevin tells the pair that he's shocked they would come unnanounced like that and tells them to go home.
B: Kevin tells the pair that it's a great surprise that they're there and invites them inside.
B.