Answer:
Caesar was appointed governor of the vast region of Gaul (north-central Europe) in 58 B.C., where he commanded a large army. ... Caesar refused and, in a bold and decisive maneuver, directed his army to cross the Rubicon River into Italy, triggering a civil war between his supporters and those of Pompey.
The answer for this question is D
I. Metaphor - something is/are
(You are a unicorn or he is a unicorn, for example)
Ii. Simile - uses as / like
Iii. Metaphor
IV. Personification - an alarm cannot actually be humming
V. Personification - giving human characteristics to inanimate objects, for example, a tree walked across the road. We already know trees can't actually walk.
Hope this helps!