I believe that the correct answer is D because it is already stated once that they need the sirens so it is giving us a fact that has already been stated.
Dear, (there name)
this is the body where u would write whatever u are going to say
-sinceraly (your name)
Answer:
sfffgfgdh f gdfgh fgjdf fgjfjfhj
Explanation:
f gfhj j. fj fjjf fj ghjjf jffdj djfg jfjfdg fgjfgdjj dfg jjdfgjdffgjffj. jfj fg dfj f. fgj jjf. ddfj fj d jg
