According to the capital asset pricing model, which one of the following statements is right?

A. If a securitys expected return lies above the SML, then it is overpriced.

B. A security with a positive beta is considered overpriced

C. None of the above/below

D. If a securitys expected return lies below the SML, then it is underpriced

E. A security with a negative alpha is considered overpriced.