Need help ASAP with 11-13

Answer:
11. B) No los invites
12. A) Preparame
13. A) No se la diga
Explanation:
The sentence in 11 says don't invite them, B also says don't invite them.
The sentence in 12 says prepare a coffee for me, option A also says that.
The sentence in 13 says don't tell them the truth and that is what option A says.