Detailed Instructions: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
Q: A young girl stands in the drive way. She starts backing up toward the street. she <sep> (A) then reaches an intersection and turns right. (B) then runs forward toward the camera. (C) looked at her phone. (D) then gracefully bends and slides down the sidewalk.
A:
B