43. Lucy wrote a note to her science teacher. Which may be the one she wrote?
(A) It’s great to be your student, but it’s time for us to leave school. Take care, my dear teacher.
(B) You’re a great speaker, and I’ve learned a lot about math from you. Thank you so much.
(C) Dear teacher, it looks like you have something on your mind. Is everything OK with you?
(D) Dear teacher, I put my homework at your desk. Sorry for handing it late. It won’t happen again.