loose credit conditions

问题如下：

The reason analysts follow developments in the availability of credit is that:

选项：

A.loose private sector credit may contribute to the extent of asset price and real estate bubbles and subsequent crises. B.loose credit helps reduce the extent of asset price and real estate bubbles. C.credit cycles are of same length and depth as business cycles.

解释：

Studies have shown that loose credit conditions contribute to the extent of asset price and real estate bubbles that tend to be followed by crises.

中文解析：

研究表明，宽松的信贷条件对资产价格和房地产泡沫的程度有所贡献，而这些泡沫往往会引发危机