单选题 Money managers and individual investors can indirectly participate in the commodities market through all of the following investment vehicles EXCEPT: A. trading commodities in small denominations. B. futures contracts. C. bonds indexed to some commodity price.

【正确答案】 A

【答案解析】Trading the commodities themselves is direct participation. Investors can participate indirectly- though futures contracts, indexed bonds or certain commodity-linked equities.