The correct option is
A Rash
'Impetuous' means likely to do something suddenly, without considering the results of the actions. E.g. He always suffers from losses being an impetuous investor. 'Rash' means doing things without proper thought. 'Violent' means using force to hurt or attack. 'Pleasing' means charming. 'Freezing' means extremely cold. 'Resourceful' means skilled at solving problems and making decisions on your own.
Thus, option A is the correct synonym of the given word.