What would happen when a solution of potassium chromate is treated with an excess of dilute nitric acid ?

Question

( A ) $CrO_4^{2-}$ is reduced to $+3$ state of $Cr$
( B ) $Cr_2O_7^{2-}$ and $H_2O$ are formed
( C ) $Cr^{3+}$ and $Cr_2O_7^{2-}$ are formed
( D ) None of the above