13. Which among the following statements are correct regarding political parties? (i) In most democracies, elections are fought mainly among the candidates put up by political parties. (ii) A party reduces vast multitude of opinions into a few basic positions which it supports. (iii) Parties sometimes also launch movements for the resolution of problems faced by the government. (iv) Parties recruit leaders, train them and then make them ministers to run the government. (a) (i), (ii) and (iii) only (b) (i), (ii) and (iv) only (c) (ii), (iii) and (iv) only (d) (i), (ii), (iii) and (iv).​