If a Bond Portfolio Manager Believes

If a bond portfolio manager believes

A) in market efficiency,he or she is likely to be a passive portfolio manager.
B) that he or she can accurately predict interest rate changes,he or she is likely to be an active portfolio manager.
C) that he or she can identify bond market anomalies,he or she is likely to be a passive portfolio manager.
D) A and B.
E) A,B,and C.