It's true because what you say can effect your future
I'm pretty sure that: His smile filled... is personification, and she never stops taking is hyperbole, the rest I don't know
Answer should be A) because its recent so it means that's its up to date and not outdated and its about NEW control methods so it matches up, its not B) because that's illnesses not methods, not C) because that's not methods, and not D) because that's not even a method.
Without knowing the context, this can be difficult to answer. However, I know options B and D are not correct. It seems as though C is the best option because we says "Well, Well!" It's almost as if he is mocking Madame Magliore rather than taking the threat seriously.