问题补充：
The enlarged school campus isthe old one.
A. as three times big as
B. three times as big as
C. big three times than
D. as big as three times
答案：
A. as three times big as
(答案→)B. three times as big as
C. big three times than
D. as big as three times
解析：倍数(twice...times)+as+形容词/副词的原级+as+比较对象。因此，本题可表达为：1)twice/two times bigger than
2)three times as big as
3)three time the size of
