If the Assumption E(e)= 0 and Cov(x,e)= 0 Holds,what Are

If the assumption E(e) = 0 and cov(x,e) = 0 holds,what are the implications of least squares estimators?

A) still BLUE for all sample sizes
B) consistent and normally distributed in very large sample sizes
C) unbiased,but not BLUE for small samples
D) inconsistent and parameter estimates do not converge to true values regardless of sample size.