Okay....very interesting. First of all thanks a million for all the quick responses.
Well this question came up in a recent assessment and I chose D, but I was told by my school that it was wrong, they informed me that answer C was the "most" correct answer. The reason? They said that answer D could include trim tabs, balance tabs, servo tabs, etc.
Now I dont know whether this is a question they made up or is an actual feedback question, what I do know is that if this was a feedback question and the JAA said that answer C was correct I would be very