Select schemes A,B,C out of 
I) Acid catalyzed hydration        II) Hydroboration oxidation  III) Oxy mercuration demercuration

$A\to AntimarkownikoffAd{d}^n{H}_{2}O$
$\begin{array}{l}B\to Oxymercuration-demercuration,markownikoffAd{d}^{n}of{H}_{2}O\\ \mathrm{Re}arrangementdoesnottakesplace\\ C\to AcidcalcalyzedHydration,\mathrm{Re}arrangementtakesplace,\\ Markownikoffaddition\left(Baseduponcarbocationstability\right)\end{array}$