With no explanation, chose the best option from "A" or "B". Maggie's son Trevor wants to go over to Micah, his new friend's, house. Maggie wants to make sure her son is safe.

A: Maggie refuses to let Trevor visit his friend demanding that Micah comes over to her house first.
B: Maggie gives Trevor her phone number and reminds him to call her if Trevor ever feels unsafe.
B.