Choose the correct order in which the sentences make a meaningful passage.
1. The noise caused by the lightning is called thunder.
2. Finally it discharges, causing a huge spark, or lightning, to fly out.
3. Thunder and lightning occur when air currents form a storm cloud.
4. Inside the cloud, a massive electrical charge builds.
(A) 1, 3, 2, 4
(B) 3, 4, 2, 1
(C) 3, 4, 1, 2
(D) 1, 3, 4, 2