Answer:
Talk to her basketball coach, whom she trusts.
Step-by-step explanation:
Something may have happened to the basketball team that made Shelly discouraged and made her quit the sport she loves so much, become depressed, and seek new friendships. For this reason, it is ideal for Beth to talk to Shelly's coach so that he can find out what happened and how best to help Shelly overcome this problem and return to playing the basketball she loves so much.