Which of the following is not true?

Which of the following is not true?

A.With flaps extended, a relatively large amount of lift will always be produced for a small increase in drag

B.A significant increase in drag will occur for a relatively small increase in lift when the flaps extend approximately beyond the midpoint

C.Most manufacturers limit the takeoff setting to half flaps or less due to large increase in drag beyond the half-flap position

D.A relatively large increase in lift will occur for a small increase in drag before the flap extension reaches the midpoint

正确答案是A