The answer is a simile. This is because similes compare two things (these things here are his life and the dusty yards) by using like or as (specifically here as).
The other ones don't make sense: nothing is being over exaggerated (hyperbole), there are no repeating consonants (alliteration), and there are no human characteristics being given to inhuman subjects (personification).
the one who kills you in a few seconds so you do not have t think about diying
Answer: I would say that Daphne`s speech is more effective because it states the topic.
I hope this helps you
B) I think sorry if wrong I tried