单选题 The mean monthly return on U.S. Treasury bills ( T - bills) is 0.42 percent. The mean monthly return for an index of small stocks is 4.56 percent, with a standard deviation of 3.56 percent. What is the Sharpe measure for the index of small stocks?

A、

A. 10.60%.
B、

B. 16.56%.
C、

C. 1.16%.

【正确答案】 C

【答案解析】The Sharpe ratio measures excess return per unit of risk. (4.56-0.42)/3.56=1.16%.