I don’t doubt that the price of the red apples is higher than___________ of the yellow__________ in this area
A.those; thatB.that; thoseC.those; onesD.that; ones在线课程D
解析：
我确信这个地区红苹果的价格比黄苹果的价格高。That指代the price，ones指代apples，the与those不能同用。