下列土地利用类型与主要分布地区搭配正确的是（ ）
A：耕地—东北平原
B：耕地—塔里木盆地
C：草地—华北平原
D：林地—内蒙古高原
— I'm afraid I can't get to the museum on time because the traffic is too busy.
— Don't worry, Millie. I'll keep________ until you come here.
若代数式3x2-4x+6的值为15，则x2−43x+6的值为( )
