Identifying alpha on an asset when using a single-factor model may be explained because: O A. the asset is mispriced. O B. a single-factor model does not capture all the variables impacting on the asset's price. OC. the asset is mispriced and/or a single factor model does not capture all the variables impacting on the asset's price. O D. the asset has a higher return than the average return in the market. O E. the asset has greater risk than the average asset risk in the market