It Is Possible for an Estimator Of $\mu _ { Y }$

It is possible for an estimator of $\mu _ { Y }$ to be inconsistent while

A) converging in probability to $\mu _ { Y }$
B) $S _ { n } \stackrel { p } { \rightarrow } \mu _ { Y }$
C) unbiased.
D) $\operatorname { Pr } \left[ \left| S _ { n } - \mu _ { Y } \right| \geq \delta \right] \rightarrow 0$