Which of the Following Statements Is/are True

Multiple Choice

Which of the following statements is/are true?

A) Both APT and CAPM argue that expected excess return must be proportional to the beta(s) .
B) APT and CAPM are the only approaches to measure expected returns in risky assets.
C) Both CAPM and APT are risk-based models.
D) Both A and B.
E) Both A and C.