Answer:
b
because the children, girls, boys are the subject and they own the property so an appostrophe is required to indicate the ownership
Mattew
Mark
Luke
John.
You're welcome! :)
The author is applying imagery by using SHrill, ruSHing, Steam whiStle, it is referring to the sound and image of a train, and the Steam whiStle is to imply that of the steam rising from the train. now the r in RuSHing is to signify the speed or power of the locomotive.
The answer to your question is: He is savage and brutal like a wild animal.