Which of the following is not true?

Which of the following is not true?

A.Configuration of the airplane can be changed by raising or lowering the gear, or by moving the flaps

B.The extension of the flaps causes an increase in camber for that section of the wing and produces more lift and drag

C.Flap position affects the chord line and angle of attack for the entire wing

D.Landing gear position has little or no effect on chord line or angle of attack

正确答案是C