Fom the start of 1999 to the start of 2009 , the S\&P 500 had a negative return Select the best choice below.) A. No, negative risk premiums are impossible, there is clearly an error in the B. Yes, during this time period the risk premium is negative C. No, to get a reliable estimate of an expected return we need much more da D. Yes, the data shows that the risk premium on the market proxy is negative