Answer:
C
Explanation: Gandalf mimics the trolls and starts an argument. The trolls get so distracted, they don't realize that dawn (they also forget about eating their captives) is approaching and they get turned to stone. Hope this helps!
An old man was run over by a car
D. Iambic pentameter
Eventhough Robert Frost did write in several meters his favourite one and the most used was iambic, he was very good changing little parts to hide iambic meters, so he´d write in iambic but still sound fresh and his poems seem to flow better.