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单选题
地面减升系统包括：The ground lift dumping system includes:
A
内侧和外侧地面扰流板，升降舵，多功能扰流板inboard and outboard ground spoiler, elevator, multifunction spoilers
B
内侧和外侧地面扰流板，襟翼，多功能扰流板inboard and outboard ground spoiler, flaps, multifunction spoilers
C
升降舵，多功能扰流板，襟翼，地面扰流板 elevator, multifunction spoilers, flaps, ground spoiler
D
内侧和外侧地面扰流板，多功能扰流板inboard and outboard ground spoiler, multifunction spoilers
答案解析
正确答案：D
