The given passage contrasts the qualities of leaders chosen by a free and a despairing country. If a country chooses a leader when it is in a sorry state, the leader often turns out to be a dictator, which may even happen by chance. They have given example of rise of dictatorship under Hitler's rule in Germany.
Thus, option A is the correct answer.
Hitler was a leader chosen by country in despair. Also, it is not necessary that only a free country chooses their leader. So, options B and C are incorrect.
It is people who foresee if a person would be future leader. So, option D is incorrect.