问题
单项选择题
An analyst does research about commodity market. Which of the following is least likely a motivation of investing in commodities（）
A. Commodity markets have lower volatility than the equity markets.
B. Commodities have a positive correlation with the unexpected inflation.
C. Commodities have a negative correlation with the stock and bond retums.
答案
参考答案：A
解析：
商品市场的价格波动很大，不亚于股票市场。商品的投资与未预期的通货膨胀呈正相关，与传统的股票和债券回报呈负相关。