For a biased estimator θˆ of θ, which one is correct_______________?

• A. MSE(θˆ)=SD(θˆ)+Bias
• B. MSE(θˆ)=Var(θˆ)+Bias2
• C. MSE(θˆ)=SD(θˆ)+Bias2
• D. MSE(θˆ)=Var(θˆ)+Bias