Many cities were incinerated during the war.

Answer: Option D

Destroyed : end the existence of (something) by damaging or attacking it.
Shaken (of a structure or area of land) tremble or vibrate.
Bombed : (of an area or building) subjected to bombing.
Burnt : be or cause to be destroyed by fire.
Incinerated : destroy (something, especially waste material) by burning.

Synonym of Incinerated is Burnt