27. Elisa: Oh, I can’t find my workbook. I must have left it in the classroom.
Justin: Here is your workbook. You left it on the school bus.
Elisa: It’s nice of you to give it back to me. I can’t thank you more.
Justin: Come on, that’s what a friend will do.
Elisa: Oh, _________. I’m so lucky to have you as a friend.

(A) You aren’t my cup of tea.
(B) You made my day.
(C) It’s really not my day.
(D) You knocked me off my feet.