Match List I (Gears) with List - II (Configurations) and select the correct answer:
List I
(A) Spur
(B) Bevel
(C) Helical
(D) Mitre
List II
1. Connecting two non-parallel or, intersecting but coplanar shafts.
2. Connecting two parallel and coplanar shafts with teeth parallel to the axis of the gear wheel
3. Connecting two parallel and coplanar shafts with teeth inclined to the axis of the gear wheel
4. Connecting two shafts whose axes are mutually perpendicular to each other
A B C D
(a) 2 4 3 1
(b) 3 1 2 4
(c) 2 1 3 4
(d) 3 4 2 1