A) (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
B) (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
C) (a)-(v), (b)-(iv), (c)-(iii), (d)-(ii)
D) (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
Explanation
[Solution] XX' linear, $XX'_3$ T-shaped, $XX'_5$ square pyramidal, $XX'_7$ pentagonal bipyramidal. Answer (2).