【题目】A house next to the key middle school costs about ___ of one in other districts.
A. the price of three times
B. three times the price
C. as much as the three times price
D. three times more than the price
在线课程【答案】B
【解析】
试题分析：考查短语。句意：重点中学的学区房要比其他街区的贵3倍。倍数的比较级：倍数+the+名词+of sth，故选B项。