问题
单项选择题
An analyst does research about alternative investments. With respect to alternative investments, a long time horizon and intense investor participation are most likely to be required for successful investing in both :
A. hedge funds and exchange traded funds.
B. venture capital and distressed securities.
C. commodities and commodity derivatives.
答案
参考答案：B
解析： 3个选项中只有风险投资(venture capital)和处于困境中的证券(distressed securities)要求投资者要有长期投资期限，并且投资者紧密参与所投资的对象。对冲基金、ETF基金和商品投资的期限通常不长，也不需要投资者紧密参与所投资对象。