The conjunction that bestfits the run-on sentence is
d. and
When trouble began to brew in the village, the Marshal was called to re-establish order
I think it is possibly A or C if eliminating answers helps you.
Third Person. If it uses I, me, my then it is first. Second is using words like you and Third person are words like he, she, they
Simile: The tree is as tall as a mountain.
Metaphor: The tree is a mountain.
Hyperbole: The tree is as big as the sun!
Personification: The tree danced in the wind.
Alliteration: <span>Trees try their to turn the tie.
Onomatopoeia: Crack! Rustle!
Idioms: You're barking up the wrong tree!</span>