The third one (I’m not sure if your question includes answers choices or not but if so , it is in fact (C)
Lennox<span> thinks that </span>Macbeth<span> is a murderer, and that </span>Fleance and Duncan's sons<span> are innocent of the rumors that they killed their own fathers.</span>
Answer:
Because he agreed to work at hogwarts as a divination teacher
Explanation: