Enjambment - the sentences do not finish with the end of the line.
Simile - "like a slackened drum"
Maybe even hyperbole, since it is an exaggeration.
Answer:
A sound argument is sensible and valid
Explanation:
Sound can mean strong so a strong argument would be sensible and valid
I believe it is A.
The reason why is if a trick is amazing you would not see it very often, so it is unbelievable.
Hope this helps!
:-)
I am thinking the answer is b. C