The following conversion reaction can be carried out by using reaction sequences :
A. `overset(Zn- Hg//HCl)tooverset(Br_(2), hv)tooverset(KCN)to overset(H^(o+)O,Delta)to`
B. `overset(NaBH_(4))tooverset(Al_(2)O_(3),Delta)tooverset(O_(3)//H_(2)O("Oxidation"))to`
C. `overset(Delta)tooverset(I_(2) +NaOH)to overset(H^(o+))to`
D. `KMnO_(4)//O^(ө)H//Delta`
