单选题 This mobile phone is ______ that one, though it's much smaller in size.
A. twice expensive than B. as twice expensive as
C. twice the price of D. the twice price of

【正确答案】 C

【答案解析】本题测试倍数的表达，倍数+名词，例如：three times the height of that building.
译文：这部手机的价格是那部的两倍，尽管机身比那部小一点。