What does "For all you say, I think she’s the best teacher we’ve got." mean

A. Because of all you say, I think she’s the best teacher we’ve got.
B. I want to tell all of you that she’s the best teacher we’ve got.
C. Despite all you say, I think she’s the best teacher we’ve got.
D. I think she’s the best teacher we’ve got for all of you who are speaking.