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

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：考查不定式用法。本句中的不定式做目的状语。句意：为了降低房价，在过去的两年中，很多措施已经被采用了。故C正确。