M: I don't understand why the neighbors are moving our so soon. They just moved into the flat last month. W: The landlord has refused to mend the thing he promised to before they moved in., Question: Why are the neighbors moving out? (A) They don't like the flat. (B) They can't afford the high rent. (C) The landlord doesn't keep his promise.
(C) The landlord doesn't keep his promise.