Spoiler panels are installed to supplement the ailerons for late

Spoiler panels are installed to supplement the ailerons for lateral control and to provide increased drag and reduced lift when used as speedbrake. 以下对扰流板作用的描述不正确的是

A.辅助飞行员对副翼进行横向操纵;

B.;增加阻力

C.减小升力;

D.产生附加升力;

正确答案是D