How do you check if a sentence contains correct parallel structure?

Which lines foreshadow macbeths eventual killing of the king

Ineed . the passage implies that: a. most jury trials involve violent crimes b. jurors may be surprised by how stressful being in a jury is c. a trial by jury is not a fair way to judge a person’s guilt or innocence d. the people who take jury duty least seriously are the ones who find xperience most stressful

Eliezer notices that mrs. schachter doesn’t seem affected by the optimism the other prisoners on the train feel when they hear what the two men who fetched water tell them. how does this contrast to develop one of the key themes in night? a.) this contrast illustrates that an unstable woman like mrs. schacher should not be heeded. b.) this contrast shows that an apparently insane person has correctly foreseen the real horrors that await them. c.) this contrast demonstrates that eliezer is too impressionable d.) this contrast revealed that mrs. schachter becomes an impediment to the prisoners attempts to remain hopeful.