Answer:
The collective noun for wolves is packs.
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.
C is the answer didifjhfhxhshzhzhz
3. To spot words and sentences that don't row well in the essay
