Someone who pays attention to the words someone says but ignores their body language and tone of voice is doing what?

Janelle is exasperated with school, family, boys, everything and telling her friend Toni about it all. Toni is looking at her phone, but when Janelle mentions a boy she likes, Toni perks up and asks about him. What is Toni doing?

Donna is venting about the pressures of school to her friend Brenda. Brenda has ideas that might help, but she doesn’t mention them. She knows that Donna needs to have a friendly ear.