Answer:
C (Scuttling across the floors of silent seas)
Explanation:
C has "scuttling", "silent" and "seas" as alliteration. Three words, which is the most of all of the options.
A has no alliteration.
B has no alliteration.
And D has no alliteration either.
Hope this helps!
That he killed the guards
I think the answer would be a because there would be more attention brought to the subject.
The the ditch could stop others from invading the town