True because ignoring relevant background issues will make your writing less persuasive.
I think it's B:Prudence and hard work
I think Macbeth is more anxious about murdering King Duncan. He becomes paranoid in the moments leading up to him killing the King, such as hearing spirits saying that he has "murdered sleep" and cannot speak the name of God. He hallucinates a dagger, as well and is only really able to produce enough courage to kill King Duncan when Lady Macbeth pressures him into doing it, calling him cowardly.
Lady Macbeth also says to Macbeth that if he is too scared to kill Duncan, she will do it herself. Shakespeare writes Lady Macbeth as a ruthless character, and she doesn't show much anxiety over killing Duncan.
Parallel structure is using the same pattern of words or using the same grammatical form. The answer is C because "report", "broadcast", and "interview" are all similar (same pattern of words).
For example in answer choice D, "interviewed" is past tense and breaks the use of the same pattern of words. "Report" and "broadcast" are both similar and in present tense. Therefore why this answer doesn't work.