Answer:
¿Me escribes una carta? Sí, te escribo. So B is the correct answer
Explanation:
We have here two persons, one is asking and the other is answering to it. So in order to answer properly to the question the person use te the correct form for the second and third person. In english: ¿Do you write me a letter? Yes, I write you a letter.
gusta i like to go to concerts so the first one gusta
C!
Explanation: I have had this similar question pop up for me, it’s not quite similar, but indeed it does have the same answer. Also, someone has already put C. So, C is highly recommended and correct.