The correct option is A CH3CH2CH2OH
A hydroboration-oxidation reaction is a two-step reaction that converts an alkene into neutral alcohol by the addition of water across the double bond, it follows Anti-Markovnikov's rule.
CH3−CH=CH21. BH3/THF−−−−−−−−−→2. OH−/H2O2CH3−CH2−CH2−OH