This house is very big and beautiful. I think the rent must be _______ as that one.
A、as three times
B、three times more
C、three times as much
D、three times as many
【正确答案】：C
【题目解析】：本题考查倍数的表示方法。A比B大(长、宽、高等)几倍可用以下几种方式表达：①A+倍数+形容词或副词的比较级+than+B；②A+倍数+as+形容词或副词的原级+as+B；③A+倍数+the size/height/length,width,etc+of+B。根据公式可排除A、B。因为句中比较的是rent租金，不可数，故排除D。答案为C。
