[单选题]本离场程序要求至9000英尺的最小上升梯度为每海里330英尺。 A.This STAR requires a minimum Climb gradient of 330ft per nm to 9000ft. B.This STAR requires a maximum Climb gradient of 330ft per nm to 9000ft. C.This SID requires a maximum Climb gradient of 330ft per nm to 9000ft. D.This SID requires a minimum Climb gradient of 330ft per nm to 9000ft.