the housing price several measures have been adopted in the last two years.A. Lowering B

问题补充：

the housing price, several measures have been adopted in the last two years.

A. Lowering

B. Having lowered

C. To lower

D. To have lowered

答案：

A. Lowering

B. Having lowered

(答案→)C. To lower

D. To have lowered

解析：考查不定式，不定式表示目的，句子意思“为了降低房子的价格，在过去的两年里一些办法已经被采纳”