问题如下：
Inventory levels decreased from 2008 to 2009 for all of the following reasons except:
选项：
A.LIFO liquidation.
B.decreased sales volume.
C.fluctuations in foreign currency translation rates.
解释：
A is correct.
No LIFO liquidation occurred during 2009; the LIFO reserve increased from ¥10,120 million in 2008 to ¥19,660 million in 2009. Management stated in the MD&A that the decrease in inventories reflected the impacts of decreased sales volumes and fluctuations in foreign currency translation rates.
B 和 C 怎么被排除的？
