Which of the following groups are the following groups are ortho, para directing ? $\\ (i) -NH_2 \quad\quad\quad (ii)\; -N-C -CH_3 \quad\quad\quad (iii)\;-CN \quad\quad\quad(iv)\; -SO_3H$

Question

$(a)\;(i)\; and\;(ii) \\ (b) \; (ii)\;and \;(iii) \\ (c) \;(i)\;and \;(iv) \\ (d)\;(ii)\;and (iv)$